Exclude :daemon-common-new module in JPS as it's unused there

These modules is not required by the plugin, and the plugin verifier
warns about unsatisfied dependencies of the modules.

CLI is needed in tests so a separate artifact is created instead.

build-common/src/org/jetbrains/kotlin/incremental/AbstractIncrementalCache.kt

@@ -19,6 +19,7 @@ package org.jetbrains.kotlin.incremental
 import com.intellij.util.io.EnumeratorStringDescriptor
 import org.jetbrains.kotlin.incremental.storage.*
 import org.jetbrains.kotlin.metadata.ProtoBuf
+import org.jetbrains.kotlin.metadata.deserialization.Flags
 import org.jetbrains.kotlin.metadata.deserialization.NameResolver
 import org.jetbrains.kotlin.metadata.deserialization.TypeTable
 import org.jetbrains.kotlin.metadata.deserialization.supertypes
@@ -34,12 +35,15 @@ interface IncrementalCacheCommon {
     val thisWithDependentCaches: Iterable<AbstractIncrementalCache<*>>
     fun classesFqNamesBySources(files: Iterable<File>): Collection<FqName>
     fun getSubtypesOf(className: FqName): Sequence<FqName>
+    fun getSupertypesOf(className: FqName): Sequence<FqName>
     fun getSourceFileIfClass(fqName: FqName): File?
     fun markDirty(removedAndCompiledSources: Collection<File>)
     fun clearCacheForRemovedClasses(changesCollector: ChangesCollector)
     fun getComplementaryFilesRecursive(dirtyFiles: Collection<File>): Collection<File>
     fun updateComplementaryFiles(dirtyFiles: Collection<File>, expectActualTracker: ExpectActualTrackerImpl)
     fun dump(): String
+
+    fun isSealed(className: FqName): Boolean?
 }
 
 /**
@@ -50,6 +54,7 @@ abstract class AbstractIncrementalCache<ClassName>(
     protected val pathConverter: FileToPathConverter
 ) : BasicMapsOwner(workingDir), IncrementalCacheCommon {
     companion object {
+        private val CLASS_ATTRIBUTES = "class-attributes"
         private val SUBTYPES = "subtypes"
         private val SUPERTYPES = "supertypes"
         private val CLASS_FQ_NAME_TO_SOURCE = "class-fq-name-to-source"
@@ -71,6 +76,7 @@ abstract class AbstractIncrementalCache<ClassName>(
         result
     }
 
+    internal val classAttributesMap = registerMap(ClassAttributesMap(CLASS_ATTRIBUTES.storageFile))
     private val subtypesMap = registerMap(SubtypesMap(SUBTYPES.storageFile))
     private val supertypesMap = registerMap(SupertypesMap(SUPERTYPES.storageFile))
     protected val classFqNameToSourceMap = registerMap(ClassFqNameToSourceMap(CLASS_FQ_NAME_TO_SOURCE.storageFile, pathConverter))
@@ -90,6 +96,14 @@ abstract class AbstractIncrementalCache<ClassName>(
     override fun getSubtypesOf(className: FqName): Sequence<FqName> =
         subtypesMap[className].asSequence()
 
+    override fun getSupertypesOf(className: FqName): Sequence<FqName> {
+        return supertypesMap[className].asSequence()
+    }
+
+    override fun isSealed(className: FqName): Boolean? {
+        return classAttributesMap[className]?.isSealed
+    }
+
     override fun getSourceFileIfClass(fqName: FqName): File? =
         classFqNameToSourceMap[fqName]
 
@@ -118,6 +132,7 @@ abstract class AbstractIncrementalCache<ClassName>(
 
         supertypesMap[child] = parents
         classFqNameToSourceMap[child] = srcFile
+        classAttributesMap[child] = ICClassesAttributes(ProtoBuf.Modality.SEALED == Flags.MODALITY.get(proto.flags))
     }
 
     protected fun removeAllFromClassStorage(removedClasses: Collection<FqName>, changesCollector: ChangesCollector) {
@@ -152,14 +167,17 @@ abstract class AbstractIncrementalCache<ClassName>(
             }
         }
 
-        removedFqNames.forEach { classFqNameToSourceMap.remove(it) }
+        removedFqNames.forEach {
+            classFqNameToSourceMap.remove(it)
+            classAttributesMap.remove(it)
+        }
     }
 
     protected class ClassFqNameToSourceMap(
         storageFile: File,
         private val pathConverter: FileToPathConverter
-    ) :
-        BasicStringMap<String>(storageFile, EnumeratorStringDescriptor(), PathStringDescriptor) {
+    ) : BasicStringMap<String>(storageFile, EnumeratorStringDescriptor(), PathStringDescriptor) {
+
         operator fun set(fqName: FqName, sourceFile: File) {
             storage[fqName.asString()] = pathConverter.toPath(sourceFile)
         }

build-common/src/org/jetbrains/kotlin/incremental/ChangesCollector.kt

@@ -19,12 +19,14 @@ package org.jetbrains.kotlin.incremental
 import org.jetbrains.kotlin.metadata.ProtoBuf
 import org.jetbrains.kotlin.metadata.deserialization.Flags
 import org.jetbrains.kotlin.metadata.deserialization.NameResolver
+import org.jetbrains.kotlin.metadata.deserialization.supertypes
 import org.jetbrains.kotlin.name.FqName
 import org.jetbrains.kotlin.protobuf.MessageLite
 import org.jetbrains.kotlin.serialization.deserialization.getClassId
 
 class ChangesCollector {
     private val removedMembers = hashMapOf<FqName, MutableSet<String>>()
+    private val changedParents = hashMapOf<FqName, MutableSet<FqName>>()
     private val changedMembers = hashMapOf<FqName, MutableSet<String>>()
     private val areSubclassesAffected = hashMapOf<FqName, Boolean>()
 
@@ -47,6 +49,10 @@ class ChangesCollector {
             changes.add(ChangeInfo.SignatureChanged(fqName, areSubclassesAffected))
         }
 
+        for ((fqName, changedParents) in changedParents) {
+            changes.add(ChangeInfo.ParentsChanged(fqName, changedParents))
+        }
+
         return changes
     }
 
@@ -79,12 +85,12 @@ class ChangesCollector {
         }
 
         if (oldData == null) {
-            newData!!.collectAll(isRemoved = false, collectAllMembersForNewClass = collectAllMembersForNewClass)
+            newData!!.collectAll(isRemoved = false, isAdded = true, collectAllMembersForNewClass = collectAllMembersForNewClass)
             return
         }
 
         if (newData == null) {
-            oldData.collectAll(isRemoved = true)
+            oldData.collectAll(isRemoved = true, isAdded = false)
             return
         }
 
@@ -98,6 +104,7 @@ class ChangesCollector {
                             collectSignature(oldData, diff.areSubclassesAffected)
                         }
                         collectChangedMembers(fqName, diff.changedMembersNames)
+                        addChangedParents(fqName, diff.changedSupertypes)
                     }
                     is PackagePartProtoData -> {
                         collectSignature(oldData, areSubclassesAffected = true)
@@ -121,10 +128,11 @@ class ChangesCollector {
     private fun <T> T.getNonPrivateNames(nameResolver: NameResolver, vararg members: T.() -> List<MessageLite>): Set<String> =
             members.flatMap { this.it().filterNot { it.isPrivate }.names(nameResolver) }.toSet()
 
-    private fun ProtoData.collectAll(isRemoved: Boolean, collectAllMembersForNewClass: Boolean = false) =
+    //TODO remember all sealed parent classes
+    private fun ProtoData.collectAll(isRemoved: Boolean, isAdded: Boolean, collectAllMembersForNewClass: Boolean = false) =
         when (this) {
             is PackagePartProtoData -> collectAllFromPackage(isRemoved)
-            is ClassProtoData -> collectAllFromClass(isRemoved, collectAllMembersForNewClass)
+            is ClassProtoData -> collectAllFromClass(isRemoved, isAdded, collectAllMembersForNewClass)
         }
 
     private fun PackagePartProtoData.collectAllFromPackage(isRemoved: Boolean) {
@@ -143,7 +151,7 @@ class ChangesCollector {
         }
     }
 
-    private fun ClassProtoData.collectAllFromClass(isRemoved: Boolean, collectAllMembersForNewClass: Boolean = false) {
+    private fun ClassProtoData.collectAllFromClass(isRemoved: Boolean, isAdded: Boolean, collectAllMembersForNewClass: Boolean = false) {
         val classFqName = nameResolver.getClassId(proto.fqName).asSingleFqName()
         val kind = Flags.CLASS_KIND.get(proto.flags)
 
@@ -162,6 +170,23 @@ class ChangesCollector {
 
             collectSignature(classFqName, areSubclassesAffected = true)
         }
+
+        if (isRemoved || isAdded) {
+            collectChangedParents(classFqName, proto.supertypeList)
+        }
+    }
+
+    private fun addChangedParents(fqName: FqName, parents: Collection<FqName>) {
+        if (parents.isNotEmpty()) {
+            changedParents.getOrPut(fqName) { HashSet() }.addAll(parents)
+        }
+    }
+
+    private fun ClassProtoData.collectChangedParents(fqName: FqName, parents: Collection<ProtoBuf.Type>) {
+        val changedParentsFqNames = parents.map { type ->
+            nameResolver.getClassId(type.className).asSingleFqName()
+        }
+        addChangedParents(fqName, changedParentsFqNames)
     }
 
     private fun ClassProtoData.getNonPrivateMemberNames(): Set<String> {

build-common/src/org/jetbrains/kotlin/incremental/IncrementalJvmCache.kt

@@ -145,6 +145,7 @@ open class IncrementalJvmCache(
                 }
                 protoMap.remove(className, changesCollector)
                 classFqNameToSourceMap.remove(className.fqNameForClassNameWithoutDollars)
+                classAttributesMap.remove(className.fqNameForClassNameWithoutDollars)
                 internalNameToSource.remove(className.internalName)
 
                 // TODO NO_CHANGES? (delegates only)
@@ -271,6 +272,7 @@ open class IncrementalJvmCache(
 
     private inner class ProtoMap(storageFile: File) : BasicStringMap<ProtoMapValue>(storageFile, ProtoMapValueExternalizer) {
 
+        @Synchronized
         fun process(kotlinClass: LocalFileKotlinClass, changesCollector: ChangesCollector) {
             return put(kotlinClass, changesCollector)
         }
@@ -282,10 +284,12 @@ open class IncrementalJvmCache(
         // from files compiled during last round.
         // However there is no need to compare old and new data in this case
         // (also that would fail with exception).
+        @Synchronized
         fun storeModuleMapping(className: JvmClassName, bytes: ByteArray) {
             storage[className.internalName] = ProtoMapValue(isPackageFacade = false, bytes = bytes, strings = emptyArray())
         }
 
+        @Synchronized
         private fun put(kotlinClass: LocalFileKotlinClass, changesCollector: ChangesCollector) {
             val header = kotlinClass.classHeader
 
@@ -308,6 +312,7 @@ open class IncrementalJvmCache(
         operator fun get(className: JvmClassName): ProtoMapValue? =
             storage[className.internalName]
 
+        @Synchronized
         fun remove(className: JvmClassName, changesCollector: ChangesCollector) {
             val key = className.internalName
             val oldValue = storage[key] ?: return
@@ -324,6 +329,8 @@ open class IncrementalJvmCache(
 
     private inner class JavaSourcesProtoMap(storageFile: File) :
         BasicStringMap<SerializedJavaClass>(storageFile, JavaClassProtoMapValueExternalizer) {
+
+        @Synchronized
         fun process(jvmClassName: JvmClassName, newData: SerializedJavaClass, changesCollector: ChangesCollector) {
             val key = jvmClassName.internalName
             val oldData = storage[key]
@@ -335,6 +342,7 @@ open class IncrementalJvmCache(
             )
         }
 
+        @Synchronized
         fun remove(className: JvmClassName, changesCollector: ChangesCollector) {
             val key = className.internalName
             val oldValue = storage[key] ?: return
@@ -374,6 +382,7 @@ open class IncrementalJvmCache(
         operator fun contains(className: JvmClassName): Boolean =
             className.internalName in storage
 
+        @Synchronized
         fun process(kotlinClass: LocalFileKotlinClass, changesCollector: ChangesCollector) {
             val key = kotlinClass.className.internalName
             val oldMap = storage[key] ?: emptyMap()
@@ -390,6 +399,7 @@ open class IncrementalJvmCache(
             }
         }
 
+        @Synchronized
         fun remove(className: JvmClassName) {
             storage.remove(className.internalName)
         }
@@ -522,6 +532,7 @@ open class IncrementalJvmCache(
             return result
         }
 
+        @Synchronized
         fun process(kotlinClass: LocalFileKotlinClass, changesCollector: ChangesCollector) {
             val key = kotlinClass.className.internalName
             val oldMap = storage[key] ?: emptyMap()
@@ -547,6 +558,7 @@ open class IncrementalJvmCache(
         private fun functionNameBySignature(signature: String): String =
             signature.substringBefore("(")
 
+        @Synchronized
         fun remove(className: JvmClassName) {
             storage.remove(className.internalName)
         }
@@ -568,6 +580,7 @@ sealed class ChangeInfo(val fqName: FqName) {
 
     class SignatureChanged(fqName: FqName, val areSubclassesAffected: Boolean) : ChangeInfo(fqName)
 
+    class ParentsChanged(fqName: FqName, val parentsChanged: Collection<FqName>) : ChangeInfo(fqName)
 
     protected open fun toStringProperties(): String = "fqName = $fqName"
 

build-common/src/org/jetbrains/kotlin/incremental/buildUtil.kt

@@ -136,7 +136,8 @@ fun LookupStorage.update(
 
 data class DirtyData(
     val dirtyLookupSymbols: Collection<LookupSymbol> = emptyList(),
-    val dirtyClassesFqNames: Collection<FqName> = emptyList()
+    val dirtyClassesFqNames: Collection<FqName> = emptyList(),
+    val dirtyClassesFqNamesForceRecompile: Collection<FqName> = emptyList()
 )
 
 fun ChangesCollector.getDirtyData(
@@ -146,6 +147,9 @@ fun ChangesCollector.getDirtyData(
     val dirtyLookupSymbols = HashSet<LookupSymbol>()
     val dirtyClassesFqNames = HashSet<FqName>()
 
+    val sealedParents = HashMap<FqName, MutableSet<FqName>>()
+    val notSealedParents = HashSet<FqName>()
+
     for (change in changes()) {
         reporter.reportVerbose { "Process $change" }
 
@@ -170,10 +174,35 @@ fun ChangesCollector.getDirtyData(
             }
 
             fqNames.mapTo(dirtyLookupSymbols) { LookupSymbol(SAM_LOOKUP_NAME.asString(), it.asString()) }
+        } else if (change is ChangeInfo.ParentsChanged) {
+            fun FqName.isSealed(): Boolean {
+                if (notSealedParents.contains(this)) return false
+                if (sealedParents.containsKey(this)) return true
+                return isSealed(this, caches).also { sealed ->
+                    if (sealed) {
+                        sealedParents[this] = HashSet()
+                    } else {
+                        notSealedParents.add(this)
+                    }
+                }
+            }
+            change.parentsChanged.forEach { parent ->
+                if (parent.isSealed()) {
+                    sealedParents.getOrPut(parent) { HashSet() }.add(change.fqName)
+                }
+            }
         }
     }
 
-    return DirtyData(dirtyLookupSymbols, dirtyClassesFqNames)
+    val forceRecompile = HashSet<FqName>().apply {
+        addAll(sealedParents.keys)
+        //we should recompile all inheritors with parent sealed class: add known subtypes
+        addAll(sealedParents.keys.flatMap { withSubtypes(it, caches) })
+        //we should recompile all inheritors with parent sealed class: add new subtypes
+        addAll(sealedParents.values.flatten())
+    }
+
+    return DirtyData(dirtyLookupSymbols, dirtyClassesFqNames, forceRecompile)
 }
 
 fun mapLookupSymbolsToFiles(
@@ -217,6 +246,11 @@ fun mapClassesFqNamesToFiles(
     return fqNameToAffectedFiles.values.flattenTo(HashSet())
 }
 
+fun isSealed(
+    fqName: FqName,
+    caches: Iterable<IncrementalCacheCommon>
+): Boolean = caches.any { it.isSealed(fqName) ?: false }
+
 fun withSubtypes(
     typeFqName: FqName,
     caches: Iterable<IncrementalCacheCommon>

build-common/src/org/jetbrains/kotlin/incremental/protoDifferenceUtils.kt

@@ -28,12 +28,14 @@ import org.jetbrains.kotlin.name.FqName
 import org.jetbrains.kotlin.protobuf.MessageLite
 import org.jetbrains.kotlin.serialization.deserialization.ProtoEnumFlags
 import org.jetbrains.kotlin.serialization.deserialization.descriptorVisibility
+import org.jetbrains.kotlin.serialization.deserialization.getClassId
 import java.util.*
 
 data class Difference(
     val isClassAffected: Boolean = false,
     val areSubclassesAffected: Boolean = false,
-    val changedMembersNames: Set<String> = emptySet()
+    val changedMembersNames: Set<String> = emptySet(),
+    val changedSupertypes: Set<FqName> = emptySet()
 )
 
 sealed class ProtoData
@@ -187,6 +189,7 @@ class DifferenceCalculatorForClass(
 
         var isClassAffected = false
         var areSubclassesAffected = false
+        val changedSupertypes = HashSet<FqName>()
         val names = hashSetOf<String>()
         val classIsSealed = newProto.isSealed && oldProto.isSealed
 
@@ -247,12 +250,21 @@ class DifferenceCalculatorForClass(
                 ProtoBufClassKind.FLAGS,
                 ProtoBufClassKind.FQ_NAME,
                 ProtoBufClassKind.TYPE_PARAMETER_LIST,
-                ProtoBufClassKind.SUPERTYPE_LIST,
-                ProtoBufClassKind.SUPERTYPE_ID_LIST,
                 ProtoBufClassKind.JS_EXT_CLASS_ANNOTATION_LIST -> {
                     isClassAffected = true
                     areSubclassesAffected = true
                 }
+
+                ProtoBufClassKind.SUPERTYPE_LIST,
+                ProtoBufClassKind.SUPERTYPE_ID_LIST -> {
+                    isClassAffected = true
+                    areSubclassesAffected = true
+
+                    val oldSupertypes = oldProto.supertypeList.map { oldNameResolver.getClassId(it.className).asSingleFqName() }
+                    val newSupertypes = newProto.supertypeList.map { newNameResolver.getClassId(it.className).asSingleFqName() }
+                    val changed = (oldSupertypes union newSupertypes) subtract (oldSupertypes intersect newSupertypes)
+                    changedSupertypes.addAll(changed)
+                }
                 ProtoBufClassKind.JVM_EXT_CLASS_MODULE_NAME,
                 ProtoBufClassKind.JS_EXT_CLASS_CONTAINING_FILE_ID -> {
                     // TODO
@@ -281,7 +293,7 @@ class DifferenceCalculatorForClass(
             }
         }
 
-        return Difference(isClassAffected, areSubclassesAffected, names)
+        return Difference(isClassAffected, areSubclassesAffected, names, changedSupertypes)
     }
 }
 

build-common/src/org/jetbrains/kotlin/incremental/storage/BasicMapsOwner.kt

@@ -30,6 +30,7 @@ open class BasicMapsOwner(val cachesDir: File) {
     protected val String.storageFile: File
         get() = File(cachesDir, this + "." + CACHE_EXTENSION)
 
+    @Synchronized
     protected fun <K, V, M : BasicMap<K, V>> registerMap(map: M): M {
         maps.add(map)
         return map
@@ -47,6 +48,7 @@ open class BasicMapsOwner(val cachesDir: File) {
         forEachMapSafe("flush") { it.flush(memoryCachesOnly) }
     }
 
+    @Synchronized
     private fun forEachMapSafe(actionName: String, action: (BasicMap<*, *>) -> Unit) {
         val actionExceptions = LinkedHashMap<String, Exception>()
         maps.forEach {
@@ -66,5 +68,6 @@ open class BasicMapsOwner(val cachesDir: File) {
     }
 
     @TestOnly
+    @Synchronized
     fun dump(): String = maps.joinToString("\n\n") { it.dump() }
 }

build-common/src/org/jetbrains/kotlin/incremental/storage/CachingLazyStorage.kt

@@ -17,9 +17,11 @@
 package org.jetbrains.kotlin.incremental.storage
 
 import com.intellij.util.io.DataExternalizer
+import com.intellij.util.io.IOUtil
 import com.intellij.util.io.KeyDescriptor
 import com.intellij.util.io.PersistentHashMap
 import java.io.File
+import java.io.IOException
 
 
 /**
@@ -30,7 +32,6 @@ class CachingLazyStorage<K, V>(
     private val keyDescriptor: KeyDescriptor<K>,
     private val valueExternalizer: DataExternalizer<V>
 ) : LazyStorage<K, V> {
-    @Volatile
     private var storage: PersistentHashMap<K, V>? = null
 
     @Synchronized
@@ -80,8 +81,10 @@ class CachingLazyStorage<K, V>(
         try {
             storage?.close()
         } finally {
-            PersistentHashMap.deleteFilesStartingWith(storageFile)
             storage = null
+            if (!IOUtil.deleteAllFilesStartingWith(storageFile)) {
+                throw IOException("Could not delete internal storage: ${storageFile.absolutePath}")
+            }
         }
     }
 

build-common/src/org/jetbrains/kotlin/incremental/storage/ClassAttributesMap.kt

@@ -0,0 +1,51 @@
+/*
+ * Copyright 2010-2015 JetBrains s.r.o.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.jetbrains.kotlin.incremental.storage
+
+import com.intellij.util.io.DataExternalizer
+import org.jetbrains.kotlin.name.FqName
+import java.io.DataInput
+import java.io.DataOutput
+import java.io.File
+
+internal data class ICClassesAttributes(val isSealed: Boolean)
+
+internal object ICClassesAttributesExternalizer : DataExternalizer<ICClassesAttributes> {
+    override fun read(input: DataInput): ICClassesAttributes {
+        return ICClassesAttributes(input.readBoolean())
+    }
+
+    override fun save(output: DataOutput, value: ICClassesAttributes) {
+        output.writeBoolean(value.isSealed)
+    }
+}
+
+internal open class ClassAttributesMap(
+    storageFile: File
+) : BasicStringMap<ICClassesAttributes>(storageFile, ICClassesAttributesExternalizer) {
+    override fun dumpValue(value: ICClassesAttributes): String = value.toString()
+
+    operator fun set(key: FqName, value: ICClassesAttributes) {
+        storage[key.asString()] = value
+    }
+
+    operator fun get(key: FqName): ICClassesAttributes? = storage[key.asString()]
+
+    fun remove(key: FqName) {
+        storage.remove(key.asString())
+    }
+}

build-common/src/org/jetbrains/kotlin/incremental/storage/ClassOneToManyMap.kt

@@ -20,18 +20,18 @@ import org.jetbrains.kotlin.incremental.dumpCollection
 import org.jetbrains.kotlin.name.FqName
 import java.io.File
 
-internal open class ClassOneToManyMap(
-        storageFile: File
-) : BasicStringMap<Collection<String>>(storageFile, StringCollectionExternalizer) {
+internal open class ClassOneToManyMap(storageFile: File) : BasicStringMap<Collection<String>>(storageFile, StringCollectionExternalizer) {
     override fun dumpValue(value: Collection<String>): String = value.dumpCollection()
 
+    @Synchronized
     fun add(key: FqName, value: FqName) {
         storage.append(key.asString(), listOf(value.asString()))
     }
 
     operator fun get(key: FqName): Collection<FqName> =
-            storage[key.asString()]?.map(::FqName) ?: setOf()
+        storage[key.asString()]?.map(::FqName) ?: setOf()
 
+    @Synchronized
     operator fun set(key: FqName, values: Collection<FqName>) {
         if (values.isEmpty()) {
             remove(key)
@@ -41,10 +41,14 @@ internal open class ClassOneToManyMap(
         storage[key.asString()] = values.map(FqName::asString)
     }
 
+    @Synchronized
     fun remove(key: FqName) {
         storage.remove(key.asString())
     }
 
+    // Access to caches could be done from multiple threads (e.g. JPS worker and RMI). The underlying collection is already synchronized,
+    // thus we need synchronization of this method and all modification methods.
+    @Synchronized
     fun removeValues(key: FqName, removed: Set<FqName>) {
         val notRemoved = this[key].filter { it !in removed }
         this[key] = notRemoved

build-common/src/org/jetbrains/kotlin/incremental/storage/DirtyClassesMaps.kt

@@ -25,8 +25,7 @@ internal class DirtyClassesJvmNameMap(storageFile: File) : AbstractDirtyClassesM
 internal class DirtyClassesFqNameMap(storageFile: File) : AbstractDirtyClassesMap<FqName>(FqNameTransformer, storageFile)
 
 internal abstract class AbstractDirtyClassesMap<Name>(
-        private val nameTransformer: NameTransformer<Name>,
-        storageFile: File
+    private val nameTransformer: NameTransformer<Name>, storageFile: File
 ) : BasicStringMap<Boolean>(storageFile, BooleanDataDescriptor.INSTANCE) {
     fun markDirty(className: Name) {
         storage[nameTransformer.asString(className)] = true
@@ -37,10 +36,10 @@ internal abstract class AbstractDirtyClassesMap<Name>(
     }
 
     fun getDirtyOutputClasses(): Collection<Name> =
-            storage.keys.map { nameTransformer.asName(it) }
+        storage.keys.map { nameTransformer.asName(it) }
 
     fun isDirty(className: Name): Boolean =
-            storage.contains(nameTransformer.asString(className))
+        storage.contains(nameTransformer.asString(className))
 
     override fun dumpValue(value: Boolean) = ""
 }

build-common/src/org/jetbrains/kotlin/incremental/storage/NonCachingLazyStorage.kt

@@ -17,9 +17,11 @@
 package org.jetbrains.kotlin.incremental.storage
 
 import com.intellij.util.io.DataExternalizer
+import com.intellij.util.io.IOUtil
 import com.intellij.util.io.KeyDescriptor
 import com.intellij.util.io.PersistentHashMap
 import java.io.File
+import java.io.IOException
 
 
 class NonCachingLazyStorage<K, V>(
@@ -27,7 +29,6 @@ class NonCachingLazyStorage<K, V>(
     private val keyDescriptor: KeyDescriptor<K>,
     private val valueExternalizer: DataExternalizer<V>
 ) : LazyStorage<K, V> {
-    @Volatile
     private var storage: PersistentHashMap<K, V>? = null
 
     @Synchronized
@@ -76,11 +77,12 @@ class NonCachingLazyStorage<K, V>(
     override fun clean() {
         try {
             storage?.close()
-        } catch (ignored: Throwable) {
+        } finally {
+            storage = null
+            if (!IOUtil.deleteAllFilesStartingWith(storageFile)) {
+                throw IOException("Could not delete internal storage: ${storageFile.absolutePath}")
+            }
         }
-
-        PersistentHashMap.deleteFilesStartingWith(storageFile)
-        storage = null
     }
 
     @Synchronized

build.gradle.kts

@@ -188,7 +188,7 @@ extra["versions.kotlinx-collections-immutable-jvm"] = immutablesVersion
 extra["versions.ktor-network"] = "1.0.1"
 
 if (!project.hasProperty("versions.kotlin-native")) {
-    extra["versions.kotlin-native"] = "1.4.30-dev-17395"
+    extra["versions.kotlin-native"] = "1.4.31-release-146"
 }
 
 val intellijUltimateEnabled by extra(project.kotlinBuildProperties.intellijUltimateEnabled)
@@ -304,7 +304,6 @@ extra["compilerModulesForJps"] = listOf(
     ":compiler:cli-common",
     ":kotlin-compiler-runner",
     ":daemon-common",
-    ":daemon-common-new",
     ":core:compiler.common",
     ":core:compiler.common.jvm",
     ":core:descriptors",
@@ -905,13 +904,14 @@ tasks {
                 ":prepare:ide-plugin-dependencies:allopen-compiler-plugin-tests-for-ide:publish",
                 ":prepare:ide-plugin-dependencies:incremental-compilation-impl-tests-for-ide:publish",
                 ":prepare:ide-plugin-dependencies:kotlin-build-common-tests-for-ide:publish",
-                ":prepare:ide-plugin-dependencies:kotlin-compiler-for-ide:publish",
+                ":prepare:ide-plugin-dependencies:kotlin-compiler-tests-for-ide:publish",
                 ":prepare:ide-plugin-dependencies:kotlin-gradle-statistics-for-ide:publish",
                 ":prepare:ide-plugin-dependencies:kotlinx-serialization-compiler-plugin-for-ide:publish",
                 ":prepare:ide-plugin-dependencies:noarg-compiler-plugin-for-ide:publish",
                 ":prepare:ide-plugin-dependencies:sam-with-receiver-compiler-plugin-for-ide:publish",
                 ":prepare:ide-plugin-dependencies:compiler-components-for-jps:publish",
                 ":prepare:ide-plugin-dependencies:parcelize-compiler-plugin-for-ide:publish",
+                ":prepare:ide-plugin-dependencies:kotlin-stdlib-for-ide:publish",
                 ":kotlin-script-runtime:publish",
                 ":kotlin-script-util:publish",
                 ":kotlin-scripting-common:publish",

buildSrc/src/main/kotlin/artifacts.kt

@@ -254,14 +254,14 @@ fun Project.idePluginDependency(block: () -> Unit) {
     }
 }
 
-fun Project.publishProjectJars(projects: List<String>, libraryDependencies: List<String> = emptyList()) {
+fun Project.publishProjectJars(projects: List<String>, libraryDependencies: List<String> = emptyList(), configuration: String? = null) {
     apply<JavaPlugin>()
 
     val fatJarContents by configurations.creating
 
     dependencies {
         for (projectName in projects) {
-            fatJarContents(project(projectName)) { isTransitive = false }
+            fatJarContents(project(projectName, configuration)) { isTransitive = false }
         }
 
         for (libraryDependency in libraryDependencies) {

buildSrc/src/main/kotlin/pluginMarkers.kt

@@ -20,6 +20,10 @@ internal const val PLUGIN_MARKER_SUFFIX = ".gradle.plugin"
 
 @OptIn(ExperimentalStdlibApi::class)
 fun Project.publishPluginMarkers(withEmptyJars: Boolean = true) {
+
+    fun Project.isSonatypePublish(): Boolean =
+        hasProperty("isSonatypePublish") && property("isSonatypePublish") as Boolean
+
     val pluginDevelopment = extensions.getByType<PluginBundleExtension>()
     val publishingExtension = extensions.getByType<PublishingExtension>()
     val mainPublication = publishingExtension.publications[KotlinBuildPublishingPlugin.PUBLICATION_NAME] as MavenPublication
@@ -32,7 +36,12 @@ fun Project.publishPluginMarkers(withEmptyJars: Boolean = true) {
 
         tasks.named<PublishToMavenRepository>(
             "publish${markerPublication.name.capitalize(Locale.ROOT)}PublicationTo${KotlinBuildPublishingPlugin.REPOSITORY_NAME}Repository"
-        ).configureRepository()
+        ).apply {
+            configureRepository()
+            configure {
+                onlyIf { !isSonatypePublish() }
+            }
+        }
     }
 }
 

compiler/backend.common.jvm/src/org/jetbrains/kotlin/codegen/VersionIndependentOpcodes.kt

@@ -0,0 +1,13 @@
+/*
+ * Copyright 2010-2020 JetBrains s.r.o. and Kotlin Programming Language contributors.
+ * Use of this source code is governed by the Apache 2.0 license that can be found in the license/LICENSE.txt file.
+ */
+
+package org.jetbrains.kotlin.codegen
+
+import org.jetbrains.org.objectweb.asm.Opcodes
+
+// This object should help compiling against different ASM versions in different bunch versions
+object VersionIndependentOpcodes {
+    const val ACC_RECORD = Opcodes.ACC_RECORD
+}

compiler/backend.common.jvm/src/org/jetbrains/kotlin/codegen/VersionIndependentOpcodes.kt.201

@@ -0,0 +1,13 @@
+/*
+ * Copyright 2010-2020 JetBrains s.r.o. and Kotlin Programming Language contributors.
+ * Use of this source code is governed by the Apache 2.0 license that can be found in the license/LICENSE.txt file.
+ */
+
+package org.jetbrains.kotlin.codegen
+
+import org.jetbrains.org.objectweb.asm.Opcodes
+
+// This object should help compiling against different ASM versions from different bunch versions
+object VersionIndependentOpcodes {
+    const val ACC_RECORD = 0
+}

compiler/backend/src/org/jetbrains/kotlin/codegen/AbstractClassBuilder.java

@@ -26,13 +26,13 @@ import org.jetbrains.kotlin.codegen.serialization.JvmSerializationBindings;
 import org.jetbrains.kotlin.resolve.jvm.diagnostics.JvmDeclarationOrigin;
 import org.jetbrains.org.objectweb.asm.*;
 
-import java.util.ArrayList;
 import java.util.List;
 
 import static org.jetbrains.kotlin.codegen.inline.InlineCodegenUtilsKt.GENERATE_SMAP;
 
 public abstract class AbstractClassBuilder implements ClassBuilder {
     protected static final MethodVisitor EMPTY_METHOD_VISITOR = new MethodVisitor(Opcodes.API_VERSION) {};
+    public static final RecordComponentVisitor EMPTY_RECORD_VISITOR = new RecordComponentVisitor(Opcodes.API_VERSION) {};
     protected static final FieldVisitor EMPTY_FIELD_VISITOR = new FieldVisitor(Opcodes.API_VERSION) {};
 
     private String thisName;
@@ -91,6 +91,16 @@ public abstract class AbstractClassBuilder implements ClassBuilder {
         return visitor;
     }
 
+    @NotNull
+    @Override
+    public RecordComponentVisitor newRecordComponent(@NotNull String name, @NotNull String desc, @Nullable String signature) {
+        RecordComponentVisitor visitor = getVisitor().visitRecordComponent(name, desc, signature);
+        if (visitor == null) {
+            return EMPTY_RECORD_VISITOR;
+        }
+        return visitor;
+    }
+
     @Override
     @NotNull
     public JvmSerializationBindings getSerializationBindings() {

compiler/backend/src/org/jetbrains/kotlin/codegen/AbstractClassBuilder.java.201

@@ -0,0 +1,158 @@
+/*
+ * Copyright 2010-2015 JetBrains s.r.o.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.jetbrains.kotlin.codegen;
+
+import com.intellij.psi.PsiElement;
+import org.jetbrains.annotations.NotNull;
+import org.jetbrains.annotations.Nullable;
+import org.jetbrains.kotlin.codegen.inline.FileMapping;
+import org.jetbrains.kotlin.codegen.inline.SMAPBuilder;
+import org.jetbrains.kotlin.codegen.inline.SourceMapper;
+import org.jetbrains.kotlin.codegen.serialization.JvmSerializationBindings;
+import org.jetbrains.kotlin.resolve.jvm.diagnostics.JvmDeclarationOrigin;
+import org.jetbrains.org.objectweb.asm.*;
+
+import java.util.List;
+
+import static org.jetbrains.kotlin.codegen.inline.InlineCodegenUtilsKt.GENERATE_SMAP;
+
+public abstract class AbstractClassBuilder implements ClassBuilder {
+    protected static final MethodVisitor EMPTY_METHOD_VISITOR = new MethodVisitor(Opcodes.API_VERSION) {};
+    protected static final FieldVisitor EMPTY_FIELD_VISITOR = new FieldVisitor(Opcodes.API_VERSION) {};
+
+    private String thisName;
+
+    private final JvmSerializationBindings serializationBindings = new JvmSerializationBindings();
+
+    private String sourceName;
+
+    private String debugInfo;
+
+    public static class Concrete extends AbstractClassBuilder {
+        private final ClassVisitor v;
+
+        public Concrete(@NotNull ClassVisitor v) {
+            this.v = v;
+        }
+
+        @Override
+        @NotNull
+        public ClassVisitor getVisitor() {
+            return v;
+        }
+    }
+
+    @Override
+    @NotNull
+    public FieldVisitor newField(
+            @NotNull JvmDeclarationOrigin origin,
+            int access,
+            @NotNull String name,
+            @NotNull String desc,
+            @Nullable String signature,
+            @Nullable Object value
+    ) {
+        FieldVisitor visitor = getVisitor().visitField(access, name, desc, signature, value);
+        if (visitor == null) {
+            return EMPTY_FIELD_VISITOR;
+        }
+        return visitor;
+    }
+
+    @Override
+    @NotNull
+    public MethodVisitor newMethod(
+            @NotNull JvmDeclarationOrigin origin,
+            int access,
+            @NotNull String name,
+            @NotNull String desc,
+            @Nullable String signature,
+            @Nullable String[] exceptions
+    ) {
+        MethodVisitor visitor = getVisitor().visitMethod(access, name, desc, signature, exceptions);
+        if (visitor == null) {
+            return EMPTY_METHOD_VISITOR;
+        }
+        return visitor;
+    }
+
+    @Override
+    @NotNull
+    public JvmSerializationBindings getSerializationBindings() {
+        return serializationBindings;
+    }
+
+    @Override
+    @NotNull
+    public AnnotationVisitor newAnnotation(@NotNull String desc, boolean visible) {
+        return getVisitor().visitAnnotation(desc, visible);
+    }
+
+    @Override
+    public void done() {
+        getVisitor().visitSource(sourceName, debugInfo);
+        getVisitor().visitEnd();
+    }
+
+    @Override
+    public void defineClass(
+            @Nullable PsiElement origin,
+            int version,
+            int access,
+            @NotNull String name,
+            @Nullable String signature,
+            @NotNull String superName,
+            @NotNull String[] interfaces
+    ) {
+        thisName = name;
+        getVisitor().visit(version, access, name, signature, superName, interfaces);
+    }
+
+    @Override
+    public void visitSource(@NotNull String name, @Nullable String debug) {
+        assert sourceName == null || sourceName.equals(name) : "inconsistent file name: " + sourceName + " vs " + name;
+        sourceName = name;
+        debugInfo = debug;
+    }
+
+    @Override
+    public void visitSMAP(@NotNull SourceMapper smap, boolean backwardsCompatibleSyntax) {
+        if (!GENERATE_SMAP) return;
+
+        List<FileMapping> fileMappings = smap.getResultMappings();
+        if (fileMappings.isEmpty()) return;
+
+        visitSource(fileMappings.get(0).getName(), SMAPBuilder.INSTANCE.build(fileMappings, backwardsCompatibleSyntax));
+    }
+
+    @Override
+    public void visitOuterClass(@NotNull String owner, @Nullable String name, @Nullable String desc) {
+        getVisitor().visitOuterClass(owner, name, desc);
+    }
+
+    @Override
+    public void visitInnerClass(@NotNull String name, @Nullable String outerName, @Nullable String innerName, int access) {
+        getVisitor().visitInnerClass(name, outerName, innerName, access);
+    }
+
+    @Override
+    @NotNull
+    public String getThisName() {
+        assert thisName != null : "This name isn't set";
+        return thisName;
+    }
+}

compiler/backend/src/org/jetbrains/kotlin/codegen/ClassBuilder.java

@@ -19,14 +19,10 @@ package org.jetbrains.kotlin.codegen;
 import com.intellij.psi.PsiElement;
 import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;
-import org.jetbrains.kotlin.codegen.inline.FileMapping;
 import org.jetbrains.kotlin.codegen.inline.SourceMapper;
 import org.jetbrains.kotlin.codegen.serialization.JvmSerializationBindings;
 import org.jetbrains.kotlin.resolve.jvm.diagnostics.JvmDeclarationOrigin;
-import org.jetbrains.org.objectweb.asm.AnnotationVisitor;
-import org.jetbrains.org.objectweb.asm.ClassVisitor;
-import org.jetbrains.org.objectweb.asm.FieldVisitor;
-import org.jetbrains.org.objectweb.asm.MethodVisitor;
+import org.jetbrains.org.objectweb.asm.*;
 
 public interface ClassBuilder {
     @NotNull
@@ -49,6 +45,12 @@ public interface ClassBuilder {
             @Nullable String[] exceptions
     );
 
+    @NotNull RecordComponentVisitor newRecordComponent(
+            @NotNull String name,
+            @NotNull String desc,
+            @Nullable String signature
+    );
+
     @NotNull
     JvmSerializationBindings getSerializationBindings();
 

compiler/backend/src/org/jetbrains/kotlin/codegen/ClassBuilder.java.201

@@ -0,0 +1,79 @@
+/*
+ * Copyright 2010-2015 JetBrains s.r.o.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.jetbrains.kotlin.codegen;
+
+import com.intellij.psi.PsiElement;
+import org.jetbrains.annotations.NotNull;
+import org.jetbrains.annotations.Nullable;
+import org.jetbrains.kotlin.codegen.inline.SourceMapper;
+import org.jetbrains.kotlin.codegen.serialization.JvmSerializationBindings;
+import org.jetbrains.kotlin.resolve.jvm.diagnostics.JvmDeclarationOrigin;
+import org.jetbrains.org.objectweb.asm.*;
+
+public interface ClassBuilder {
+    @NotNull
+    FieldVisitor newField(
+            @NotNull JvmDeclarationOrigin origin,
+            int access,
+            @NotNull String name,
+            @NotNull String desc,
+            @Nullable String signature,
+            @Nullable Object value
+    );
+
+    @NotNull
+    MethodVisitor newMethod(
+            @NotNull JvmDeclarationOrigin origin,
+            int access,
+            @NotNull String name,
+            @NotNull String desc,
+            @Nullable String signature,
+            @Nullable String[] exceptions
+    );
+
+    @NotNull
+    JvmSerializationBindings getSerializationBindings();
+
+    @NotNull
+    AnnotationVisitor newAnnotation(@NotNull String desc, boolean visible);
+
+    void done();
+
+    @NotNull
+    ClassVisitor getVisitor();
+
+    void defineClass(
+            @Nullable PsiElement origin,
+            int version,
+            int access,
+            @NotNull String name,
+            @Nullable String signature,
+            @NotNull String superName,
+            @NotNull String[] interfaces
+    );
+
+    void visitSource(@NotNull String name, @Nullable String debug);
+
+    void visitSMAP(@NotNull SourceMapper smap, boolean backwardsCompatibleSyntax);
+
+    void visitOuterClass(@NotNull String owner, @Nullable String name, @Nullable String desc);
+
+    void visitInnerClass(@NotNull String name, @Nullable String outerName, @Nullable String innerName, int access);
+
+    @NotNull
+    String getThisName();
+}

compiler/backend/src/org/jetbrains/kotlin/codegen/ClassBuilderRecord.kt

@@ -0,0 +1,10 @@
+/*
+ * Copyright 2010-2020 JetBrains s.r.o. and Kotlin Programming Language contributors.
+ * Use of this source code is governed by the Apache 2.0 license that can be found in the license/LICENSE.txt file.
+ */
+
+package org.jetbrains.kotlin.codegen
+
+fun ClassBuilder.addRecordComponent(name: String, desc: String, signature: String?) {
+    newRecordComponent(name, desc, signature)
+}

compiler/backend/src/org/jetbrains/kotlin/codegen/ClassBuilderRecord.kt.201

@@ -0,0 +1,10 @@
+/*
+ * Copyright 2010-2020 JetBrains s.r.o. and Kotlin Programming Language contributors.
+ * Use of this source code is governed by the Apache 2.0 license that can be found in the license/LICENSE.txt file.
+ */
+
+package org.jetbrains.kotlin.codegen
+
+fun ClassBuilder.addRecordComponent(name: String, desc: String, signature: String?) {
+    // newRecordComponent(name, desc, signature)
+}

compiler/backend/src/org/jetbrains/kotlin/codegen/DelegatingClassBuilder.java

@@ -19,14 +19,10 @@ package org.jetbrains.kotlin.codegen;
 import com.intellij.psi.PsiElement;
 import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;
-import org.jetbrains.kotlin.codegen.inline.FileMapping;
 import org.jetbrains.kotlin.codegen.inline.SourceMapper;
 import org.jetbrains.kotlin.codegen.serialization.JvmSerializationBindings;
 import org.jetbrains.kotlin.resolve.jvm.diagnostics.JvmDeclarationOrigin;
-import org.jetbrains.org.objectweb.asm.AnnotationVisitor;
-import org.jetbrains.org.objectweb.asm.ClassVisitor;
-import org.jetbrains.org.objectweb.asm.FieldVisitor;
-import org.jetbrains.org.objectweb.asm.MethodVisitor;
+import org.jetbrains.org.objectweb.asm.*;
 
 public abstract class DelegatingClassBuilder implements ClassBuilder {
     @NotNull
@@ -58,6 +54,14 @@ public abstract class DelegatingClassBuilder implements ClassBuilder {
         return getDelegate().newMethod(origin, access, name, desc, signature, exceptions);
     }
 
+    @NotNull
+    @Override
+    public RecordComponentVisitor newRecordComponent(
+            @NotNull String name, @NotNull String desc, @Nullable String signature
+    ) {
+        return getDelegate().newRecordComponent(name, desc, signature);
+    }
+
     @NotNull
     @Override
     public JvmSerializationBindings getSerializationBindings() {

compiler/backend/src/org/jetbrains/kotlin/codegen/DelegatingClassBuilder.java.201

@@ -0,0 +1,118 @@
+/*
+ * Copyright 2010-2015 JetBrains s.r.o.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.jetbrains.kotlin.codegen;
+
+import com.intellij.psi.PsiElement;
+import org.jetbrains.annotations.NotNull;
+import org.jetbrains.annotations.Nullable;
+import org.jetbrains.kotlin.codegen.inline.SourceMapper;
+import org.jetbrains.kotlin.codegen.serialization.JvmSerializationBindings;
+import org.jetbrains.kotlin.resolve.jvm.diagnostics.JvmDeclarationOrigin;
+import org.jetbrains.org.objectweb.asm.*;
+
+public abstract class DelegatingClassBuilder implements ClassBuilder {
+    @NotNull
+    protected abstract ClassBuilder getDelegate();
+
+    @NotNull
+    @Override
+    public FieldVisitor newField(
+            @NotNull JvmDeclarationOrigin origin,
+            int access,
+            @NotNull String name,
+            @NotNull String desc,
+            @Nullable String signature,
+            @Nullable Object value
+    ) {
+        return getDelegate().newField(origin, access, name, desc, signature, value);
+    }
+
+    @NotNull
+    @Override
+    public MethodVisitor newMethod(
+            @NotNull JvmDeclarationOrigin origin,
+            int access,
+            @NotNull String name,
+            @NotNull String desc,
+            @Nullable String signature,
+            @Nullable String[] exceptions
+    ) {
+        return getDelegate().newMethod(origin, access, name, desc, signature, exceptions);
+    }
+
+    @NotNull
+    @Override
+    public JvmSerializationBindings getSerializationBindings() {
+        return getDelegate().getSerializationBindings();
+    }
+
+    @NotNull
+    @Override
+    public AnnotationVisitor newAnnotation(@NotNull String desc, boolean visible) {
+        return getDelegate().newAnnotation(desc, visible);
+    }
+
+    @Override
+    public void done() {
+        getDelegate().done();
+    }
+
+    @NotNull
+    @Override
+    public ClassVisitor getVisitor() {
+        return getDelegate().getVisitor();
+    }
+
+    @Override
+    public void defineClass(
+            @Nullable PsiElement origin,
+            int version,
+            int access,
+            @NotNull String name,
+            @Nullable String signature,
+            @NotNull String superName,
+            @NotNull String[] interfaces
+    ) {
+        getDelegate().defineClass(origin, version, access, name, signature, superName, interfaces);
+    }
+
+    @Override
+    public void visitSource(@NotNull String name, @Nullable String debug) {
+        getDelegate().visitSource(name, debug);
+    }
+
+    @Override
+    public void visitSMAP(@NotNull SourceMapper smap, boolean backwardsCompatibleSyntax) {
+        getDelegate().visitSMAP(smap, backwardsCompatibleSyntax);
+    }
+
+    @Override
+    public void visitOuterClass(@NotNull String owner, @Nullable String name, @Nullable String desc) {
+        getDelegate().visitOuterClass(owner, name, desc);
+    }
+
+    @Override
+    public void visitInnerClass(@NotNull String name, @Nullable String outerName, @Nullable String innerName, int access) {
+        getDelegate().visitInnerClass(name, outerName, innerName, access);
+    }
+
+    @NotNull
+    @Override
+    public String getThisName() {
+        return getDelegate().getThisName();
+    }
+}

compiler/backend/src/org/jetbrains/kotlin/codegen/ErasedInlineClassBodyCodegen.kt

@@ -13,6 +13,7 @@ import org.jetbrains.kotlin.descriptors.FunctionDescriptor
 import org.jetbrains.kotlin.psi.KtClass
 import org.jetbrains.kotlin.psi.KtClassOrObject
 import org.jetbrains.kotlin.resolve.InlineClassDescriptorResolver
+import org.jetbrains.kotlin.resolve.JVM_INLINE_ANNOTATION_FQ_NAME
 import org.jetbrains.kotlin.resolve.descriptorUtil.secondaryConstructors
 import org.jetbrains.kotlin.resolve.jvm.AsmTypes
 import org.jetbrains.kotlin.resolve.jvm.diagnostics.Synthetic
@@ -55,6 +56,13 @@ class ErasedInlineClassBodyCodegen(
         generateUnboxMethod()
         generateFunctionsFromAny()
         generateSpecializedEqualsStub()
+        generateJvmInlineAnnotation()
+    }
+
+    private fun generateJvmInlineAnnotation() {
+        if (descriptor.isInline) {
+            v.newAnnotation(JVM_INLINE_ANNOTATION_FQ_NAME.topLevelClassAsmType().descriptor, true).visitEnd()
+        }
     }
 
     private fun generateFunctionsFromAny() {

compiler/backend/src/org/jetbrains/kotlin/codegen/FunctionCodegen.java

@@ -1221,7 +1221,12 @@ public class FunctionCodegen {
 
         // 'null' because the "could not find expected declaration" error has been already reported in isDefaultNeeded earlier
         List<ValueParameterDescriptor> valueParameters =
-                CodegenUtil.getFunctionParametersForDefaultValueGeneration(functionDescriptor, null);
+                functionDescriptor.isSuspend()
+                ? CollectionsKt.plus(
+                    CodegenUtil.getFunctionParametersForDefaultValueGeneration(
+                            CoroutineCodegenUtilKt.unwrapInitialDescriptorForSuspendFunction(functionDescriptor), null),
+                    CollectionsKt.last(functionDescriptor.getValueParameters()))
+                : CodegenUtil.getFunctionParametersForDefaultValueGeneration(functionDescriptor, null);
 
         boolean isStatic = isStaticMethod(methodContext.getContextKind(), functionDescriptor);
         FrameMap frameMap = createFrameMap(state, signature, functionDescriptor.getExtensionReceiverParameter(), valueParameters, isStatic);

compiler/backend/src/org/jetbrains/kotlin/codegen/ImplementationBodyCodegen.java

@@ -43,6 +43,7 @@ import org.jetbrains.kotlin.resolve.calls.callUtil.CallUtilKt;
 import org.jetbrains.kotlin.resolve.calls.model.ResolvedCall;
 import org.jetbrains.kotlin.resolve.calls.model.VariableAsFunctionResolvedCall;
 import org.jetbrains.kotlin.resolve.descriptorUtil.DescriptorUtilsKt;
+import org.jetbrains.kotlin.resolve.jvm.annotations.JvmAnnotationUtilKt;
 import org.jetbrains.kotlin.resolve.jvm.diagnostics.JvmDeclarationOrigin;
 import org.jetbrains.kotlin.resolve.jvm.diagnostics.JvmDeclarationOriginKt;
 import org.jetbrains.kotlin.resolve.jvm.jvmSignature.JvmClassSignature;
@@ -221,6 +222,10 @@ public class ImplementationBodyCodegen extends ClassBodyCodegen {
             access |= ACC_ENUM;
         }
 
+        if (JvmAnnotationUtilKt.isJvmRecord(descriptor)) {
+            access |= VersionIndependentOpcodes.ACC_RECORD;
+        }
+
         v.defineClass(
                 myClass.getPsiOrParent(),
                 state.getClassFileVersion(),

compiler/backend/src/org/jetbrains/kotlin/codegen/PropertyCodegen.java

@@ -29,6 +29,7 @@ import org.jetbrains.kotlin.resolve.InlineClassesUtilsKt;
 import org.jetbrains.kotlin.resolve.calls.model.ResolvedCall;
 import org.jetbrains.kotlin.resolve.calls.util.UnderscoreUtilKt;
 import org.jetbrains.kotlin.resolve.constants.ConstantValue;
+import org.jetbrains.kotlin.resolve.jvm.annotations.JvmAnnotationUtilKt;
 import org.jetbrains.kotlin.resolve.jvm.diagnostics.JvmDeclarationOriginKt;
 import org.jetbrains.kotlin.resolve.jvm.jvmSignature.JvmMethodGenericSignature;
 import org.jetbrains.kotlin.resolve.jvm.jvmSignature.JvmMethodSignature;
@@ -435,9 +436,10 @@ public class PropertyCodegen {
         v.getSerializationBindings().put(FIELD_FOR_PROPERTY, propertyDescriptor, new Pair<>(type, name));
 
         if (isBackingFieldOwner) {
+            String signature = isDelegate ? null : typeMapper.mapFieldSignature(kotlinType, propertyDescriptor);
             FieldVisitor fv = builder.newField(
                     JvmDeclarationOriginKt.OtherOrigin(propertyDescriptor), modifiers, name, type.getDescriptor(),
-                    isDelegate ? null : typeMapper.mapFieldSignature(kotlinType, propertyDescriptor), defaultValue
+                    signature, defaultValue
             );
 
             if (annotatedField != null) {
@@ -450,6 +452,10 @@ public class PropertyCodegen {
                 AnnotationCodegen.forField(fv, memberCodegen, state, skipNullabilityAnnotations)
                         .genAnnotations(annotatedField, type, propertyDescriptor.getType(), null, additionalVisibleAnnotations);
             }
+
+            if (propertyDescriptor.getContainingDeclaration() instanceof ClassDescriptor && JvmAnnotationUtilKt.isJvmRecord((ClassDescriptor) propertyDescriptor.getContainingDeclaration())) {
+                ClassBuilderRecordKt.addRecordComponent(builder, name, type.getDescriptor(), signature);
+            }
         }
     }
 

compiler/backend/src/org/jetbrains/kotlin/codegen/inline/InlineCodegen.kt

@@ -16,6 +16,7 @@ import org.jetbrains.kotlin.codegen.intrinsics.IntrinsicArrayConstructors
 import org.jetbrains.kotlin.codegen.state.GenerationState
 import org.jetbrains.kotlin.codegen.state.KotlinTypeMapper
 import org.jetbrains.kotlin.config.CommonConfigurationKeys
+import org.jetbrains.kotlin.config.JVMConfigurationKeys
 import org.jetbrains.kotlin.descriptors.*
 import org.jetbrains.kotlin.incremental.components.Position
 import org.jetbrains.kotlin.incremental.components.ScopeKind
@@ -513,7 +514,6 @@ abstract class InlineCodegen<out T : BaseExpressionCodegen>(
 
 
     companion object {
-
         internal fun createInlineMethodNode(
             functionDescriptor: FunctionDescriptor,
             methodOwner: Type,
@@ -529,10 +529,15 @@ abstract class InlineCodegen<out T : BaseExpressionCodegen>(
                 return SMAPAndMethodNode(intrinsic, createDefaultFakeSMAP())
             }
 
-            val asmMethod = if (callDefault)
-                state.typeMapper.mapDefaultMethod(functionDescriptor, sourceCompilerForInline.contextKind)
-            else
-                mangleSuspendInlineFunctionAsmMethodIfNeeded(functionDescriptor, jvmSignature.asmMethod)
+            var asmMethod = mapMethod(state, functionDescriptor, sourceCompilerForInline, jvmSignature, callDefault)
+            if (asmMethod.name.contains("-") &&
+                !state.configuration.getBoolean(JVMConfigurationKeys.USE_OLD_INLINE_CLASSES_MANGLING_SCHEME) &&
+                classFileContainsMethod(functionDescriptor, state, asmMethod) == false
+            ) {
+                state.typeMapper.useOldManglingRulesForFunctionAcceptingInlineClass = true
+                asmMethod = mapMethod(state, functionDescriptor, sourceCompilerForInline, jvmSignature, callDefault)
+                state.typeMapper.useOldManglingRulesForFunctionAcceptingInlineClass = false
+            }
 
             val directMember = getDirectMemberAndCallableFromObject(functionDescriptor)
             if (!isBuiltInArrayIntrinsic(functionDescriptor) && directMember !is DescriptorWithContainerSource) {
@@ -544,6 +549,16 @@ abstract class InlineCodegen<out T : BaseExpressionCodegen>(
             return getCompiledMethodNodeInner(functionDescriptor, directMember, asmMethod, methodOwner, state, jvmSignature)
         }
 
+        private fun mapMethod(
+            state: GenerationState,
+            functionDescriptor: FunctionDescriptor,
+            sourceCompiler: SourceCompilerForInline,
+            jvmSignature: JvmMethodSignature,
+            callDefault: Boolean
+        ): Method =
+            if (callDefault) state.typeMapper.mapDefaultMethod(functionDescriptor, sourceCompiler.contextKind)
+            else mangleSuspendInlineFunctionAsmMethodIfNeeded(functionDescriptor, jvmSignature.asmMethod)
+
         internal fun createSpecialInlineMethodNodeFromBinaries(functionDescriptor: FunctionDescriptor, state: GenerationState): MethodNode {
             val directMember = getDirectMemberAndCallableFromObject(functionDescriptor)
             assert(directMember is DescriptorWithContainerSource) {

compiler/backend/src/org/jetbrains/kotlin/codegen/inline/defaultMethodUtil.kt

@@ -130,7 +130,9 @@ fun <T, R : DefaultLambda> expandMaskConditionsAndUpdateVariableNodes(
         node.instructions.insert(position, newInsn)
     }
 
-    node.localVariables.removeIf { it.start in toDelete && it.end in toDelete }
+    node.localVariables.removeIf {
+        (it.start in toDelete && it.end in toDelete) || defaultLambdas.contains(it.index)
+    }
 
     node.remove(toDelete)
 

compiler/backend/src/org/jetbrains/kotlin/codegen/inlineClassesCodegenUtil.kt

@@ -6,10 +6,7 @@
 package org.jetbrains.kotlin.codegen
 
 import org.jetbrains.kotlin.codegen.state.GenerationState
-import org.jetbrains.kotlin.descriptors.CallableDescriptor
-import org.jetbrains.kotlin.descriptors.ClassDescriptor
-import org.jetbrains.kotlin.descriptors.FunctionDescriptor
-import org.jetbrains.kotlin.descriptors.ValueParameterDescriptor
+import org.jetbrains.kotlin.descriptors.*
 import org.jetbrains.kotlin.descriptors.impl.AnonymousFunctionDescriptor
 import org.jetbrains.kotlin.load.kotlin.JvmPackagePartSource
 import org.jetbrains.kotlin.load.kotlin.VirtualFileFinder
@@ -44,6 +41,10 @@ fun CallableDescriptor.isGenericParameter(): Boolean {
 fun classFileContainsMethod(descriptor: FunctionDescriptor, state: GenerationState, method: Method): Boolean? {
     if (descriptor !is DeserializedSimpleFunctionDescriptor) return null
 
+    if (descriptor.kind == CallableMemberDescriptor.Kind.FAKE_OVERRIDE) {
+        return descriptor.overriddenDescriptors.any { classFileContainsMethod(it, state, method) == true }
+    }
+
     val classId: ClassId = when {
         descriptor.containingDeclaration is DeserializedClassDescriptor -> {
             (descriptor.containingDeclaration as DeserializedClassDescriptor).classId ?: return null

compiler/backend/src/org/jetbrains/kotlin/codegen/state/GenerationState.kt

@@ -201,7 +201,7 @@ class GenerationState private constructor(
 
     val target = configuration.get(JVMConfigurationKeys.JVM_TARGET) ?: JvmTarget.DEFAULT
     val runtimeStringConcat =
-        if (target.bytecodeVersion >= JvmTarget.JVM_9.bytecodeVersion)
+        if (target.majorVersion >= JvmTarget.JVM_9.majorVersion)
             configuration.get(JVMConfigurationKeys.STRING_CONCAT) ?: JvmStringConcat.INLINE
         else JvmStringConcat.INLINE
 
@@ -272,7 +272,10 @@ class GenerationState private constructor(
 
     val rootContext: CodegenContext<*> = RootContext(this)
 
-    val classFileVersion: Int = target.bytecodeVersion
+    val classFileVersion: Int = run {
+        val minorVersion = if (configuration.getBoolean(JVMConfigurationKeys.ENABLE_JVM_PREVIEW)) 0xffff else 0
+        (minorVersion shl 16) + target.majorVersion
+    }
 
     val generateParametersMetadata: Boolean = configuration.getBoolean(JVMConfigurationKeys.PARAMETERS_METADATA)
 
@@ -295,7 +298,7 @@ class GenerationState private constructor(
             ?: if (languageVersionSettings.languageVersion >= LanguageVersion.LATEST_STABLE) JvmMetadataVersion.INSTANCE
             else JvmMetadataVersion(1, 1, 18)
 
-    val isIrWithStableAbi = configuration.getBoolean(JVMConfigurationKeys.IS_IR_WITH_STABLE_ABI)
+    val abiStability = configuration.get(JVMConfigurationKeys.ABI_STABILITY)
 
     val globalSerializationBindings = JvmSerializationBindings()
     var mapInlineClass: (ClassDescriptor) -> Type = { descriptor -> typeMapper.mapType(descriptor.defaultType) }

compiler/backend/src/org/jetbrains/kotlin/codegen/state/KotlinTypeMapper.kt

@@ -50,6 +50,7 @@ import org.jetbrains.kotlin.resolve.*
 import org.jetbrains.kotlin.resolve.BindingContextUtils.getDelegationConstructorCall
 import org.jetbrains.kotlin.resolve.BindingContextUtils.isBoxedLocalCapturedInClosure
 import org.jetbrains.kotlin.resolve.DescriptorUtils.*
+import org.jetbrains.kotlin.resolve.annotations.hasJvmStaticAnnotation
 import org.jetbrains.kotlin.resolve.bindingContextUtil.isUsedAsExpression
 import org.jetbrains.kotlin.resolve.calls.model.DefaultValueArgument
 import org.jetbrains.kotlin.resolve.calls.model.ResolvedCall
@@ -60,6 +61,7 @@ import org.jetbrains.kotlin.resolve.descriptorUtil.isPublishedApi
 import org.jetbrains.kotlin.resolve.descriptorUtil.module
 import org.jetbrains.kotlin.resolve.jvm.AsmTypes.DEFAULT_CONSTRUCTOR_MARKER
 import org.jetbrains.kotlin.resolve.jvm.AsmTypes.OBJECT_TYPE
+import org.jetbrains.kotlin.resolve.jvm.JAVA_LANG_RECORD_FQ_NAME
 import org.jetbrains.kotlin.resolve.jvm.JvmClassName
 import org.jetbrains.kotlin.resolve.jvm.annotations.isCompiledToJvmDefault
 import org.jetbrains.kotlin.resolve.jvm.jvmSignature.JvmMethodGenericSignature
@@ -372,13 +374,27 @@ class KotlinTypeMapper @JvmOverloads constructor(
         kind: OwnerKind? = null,
         resolvedCall: ResolvedCall<*>? = null
     ): CallableMethod {
+        fun mapDefaultCallback(descriptor: FunctionDescriptor, kind: OwnerKind): () -> Method {
+            if (useOldManglingRulesForFunctionAcceptingInlineClass && !useOldInlineClassesManglingScheme) {
+                return {
+                    val prevManglingState = useOldManglingRulesForFunctionAcceptingInlineClass
+                    useOldManglingRulesForFunctionAcceptingInlineClass = true
+                    mapDefaultMethod(descriptor, kind).also {
+                        useOldManglingRulesForFunctionAcceptingInlineClass = prevManglingState
+                    }
+                }
+            } else {
+                return { mapDefaultMethod(descriptor, kind) }
+            }
+        }
+
         // we generate constructors of inline classes as usual functions
         if (descriptor is ConstructorDescriptor && kind != OwnerKind.ERASED_INLINE_CLASS) {
             val method = mapSignatureSkipGeneric(descriptor.original)
             val owner = mapOwner(descriptor)
             val originalDescriptor = descriptor.original
             return CallableMethod(
-                owner, owner, { mapDefaultMethod(originalDescriptor, OwnerKind.IMPLEMENTATION) }, method, INVOKESPECIAL,
+                owner, owner, mapDefaultCallback(originalDescriptor, OwnerKind.IMPLEMENTATION), method, INVOKESPECIAL,
                 null, null, null, null, null, originalDescriptor.returnType, isInterfaceMethod = false, isDefaultMethodInInterface = false
             )
         }
@@ -543,7 +559,7 @@ class KotlinTypeMapper @JvmOverloads constructor(
 
         return CallableMethod(
             owner, ownerForDefaultImpl,
-            { mapDefaultMethod(baseMethodDescriptor, getKindForDefaultImplCall(baseMethodDescriptor)) },
+            mapDefaultCallback(baseMethodDescriptor, getKindForDefaultImplCall(baseMethodDescriptor)),
             signature, invokeOpcode, thisClass, dispatchReceiverKotlinType, receiverParameterType, extensionReceiverKotlinType,
             calleeType, returnKotlinType,
             if (jvmTarget >= JvmTarget.JVM_1_8) isInterfaceMember else invokeOpcode == INVOKEINTERFACE,
@@ -563,10 +579,16 @@ class KotlinTypeMapper @JvmOverloads constructor(
         return when {
             descriptor is PropertyAccessorDescriptor -> {
                 val property = descriptor.correspondingProperty
-                if (isAnnotationClass(property.containingDeclaration)) {
+                val containingDeclaration = property.containingDeclaration
+
+                if (isAnnotationClass(containingDeclaration) &&
+                    (!property.hasJvmStaticAnnotation() && !descriptor.hasJvmStaticAnnotation())
+                ) {
                     return property.name.asString()
                 }
 
+                if ((containingDeclaration as? ClassDescriptor)?.hasJavaLangRecordSupertype() == true) return property.name.asString()
+
                 val isAccessor = property is AccessorForPropertyDescriptor
                 val propertyName = if (isAccessor)
                     (property as AccessorForPropertyDescriptor).accessorSuffix
@@ -601,6 +623,9 @@ class KotlinTypeMapper @JvmOverloads constructor(
         }
     }
 
+    private fun ClassDescriptor.hasJavaLangRecordSupertype() =
+        typeConstructor.supertypes.any { KotlinBuiltIns.isConstructedFromGivenClass(it, JAVA_LANG_RECORD_FQ_NAME) }
+
     private val shouldMangleByReturnType =
         languageVersionSettings.supportsFeature(LanguageFeature.MangleClassMembersReturningInlineClasses)
 

compiler/cli/bin/kotlinc.bat

@@ -49,6 +49,7 @@ if "%_KOTLIN_RUNNER%"=="1" (
   "%_JAVACMD%" %JAVA_OPTS% "-Dkotlin.home=%_KOTLIN_HOME%" -cp "%_KOTLIN_HOME%\lib\kotlin-runner.jar" ^
     org.jetbrains.kotlin.runner.Main %KOTLIN_OPTS%
 ) else (
+  setlocal EnableDelayedExpansion
   SET _ADDITIONAL_CLASSPATH=
 
   if not "%_KOTLIN_TOOL%"=="" (
@@ -56,7 +57,7 @@ if "%_KOTLIN_RUNNER%"=="1" (
   )
 
   "%_JAVACMD%" %JAVA_OPTS% -noverify -cp "%_KOTLIN_HOME%\lib\kotlin-preloader.jar" ^
-    org.jetbrains.kotlin.preloading.Preloader -cp "%_KOTLIN_HOME%\lib\kotlin-compiler.jar%_ADDITIONAL_CLASSPATH%" ^
+    org.jetbrains.kotlin.preloading.Preloader -cp "%_KOTLIN_HOME%\lib\kotlin-compiler.jar!_ADDITIONAL_CLASSPATH!" ^
     %_KOTLIN_COMPILER% %KOTLIN_OPTS%
 )
 

compiler/cli/cli-common/resources/META-INF/extensions/core.xml

@@ -2,6 +2,8 @@
     <id>org.jetbrains.kotlin</id>
     <version>1.2</version>
 
+    <!-- Don't add more extension points here! Logic in KotlinCoreEnvironment assumes that there is only one EP.  -->
+    <!-- And this file should be removed once 202 is no longer supported -->
     <extensionPoints>
         <extensionPoint qualifiedName="com.intellij.psi.classFileDecompiler"
                         interface="com.intellij.psi.compiled.ClassFileDecompilers$Decompiler"

compiler/cli/cli-common/src/org/jetbrains/kotlin/cli/common/arguments/K2JVMCompilerArguments.kt

@@ -85,8 +85,9 @@ class K2JVMCompilerArguments : CommonCompilerArguments() {
     @Argument(value = "-Xuse-ir", description = "Use the IR backend")
     var useIR: Boolean by FreezableVar(false)
 
-    @Argument(value = "-Xno-use-ir", description = "Do not use the IR backend. Useful for a custom-built compiler where IR backend is enabled by default")
-    var noUseIR: Boolean by FreezableVar(false)
+    @GradleOption(DefaultValues.BooleanFalseDefault::class)
+    @Argument(value = "-Xuse-old-backend", description = "Use the old JVM backend")
+    var useOldBackend: Boolean by FreezableVar(false)
 
     @Argument(
         value = "-Xir-check-local-names",
@@ -95,18 +96,20 @@ class K2JVMCompilerArguments : CommonCompilerArguments() {
     var irCheckLocalNames: Boolean by FreezableVar(false)
 
     @Argument(
-        value = "-Xallow-jvm-ir-dependencies",
-        description = "When not using the IR backend, do not report errors on those classes in dependencies, " +
-                "which were compiled by the IR backend"
+        value = "-Xallow-unstable-dependencies",
+        description = "Do not report errors on classes in dependencies, which were compiled by an unstable version of the Kotlin compiler"
     )
-    var allowJvmIrDependencies: Boolean by FreezableVar(false)
+    var allowUnstableDependencies: Boolean by FreezableVar(false)
 
     @Argument(
-        value = "-Xir-binary-with-stable-abi",
-        description = "When using the IR backend, produce binaries which can be read by non-IR backend.\n" +
-                "The author is responsible for verifying that the resulting binaries do indeed have the correct ABI"
+        value = "-Xabi-stability",
+        valueDescription = "{stable|unstable}",
+        description = "When using unstable compiler features such as FIR, use 'stable' to mark generated class files as stable\n" +
+                "to prevent diagnostics from stable compilers at the call site.\n" +
+                "When using the JVM IR backend, conversely, use 'unstable' to mark generated class files as unstable\n" +
+                "to force diagnostics to be reported."
     )
-    var isIrWithStableAbi: Boolean by FreezableVar(false)
+    var abiStability: String? by FreezableVar(null)
 
     @Argument(
         value = "-Xir-do-not-clear-binding-context",
@@ -312,6 +315,13 @@ class K2JVMCompilerArguments : CommonCompilerArguments() {
     )
     var jvmDefault: String by FreezableVar(JvmDefaultMode.DEFAULT.description)
 
+    @Argument(
+        value = "-Xdefault-script-extension",
+        valueDescription = "<script filename extension>",
+        description = "Compile expressions and unrecognized scripts passed with the -script argument as scripts with given filename extension"
+    )
+    var defaultScriptExtension: String? by FreezableVar(null)
+
     @Argument(value = "-Xdisable-standard-script", description = "Disable standard kotlin script support")
     var disableStandardScript: Boolean by FreezableVar(false)
 
@@ -418,6 +428,13 @@ class K2JVMCompilerArguments : CommonCompilerArguments() {
     )
     var useOldInlineClassesManglingScheme: Boolean by FreezableVar(false)
 
+    @Argument(
+        value = "-Xjvm-enable-preview",
+        description = "Allow using features from Java language that are in preview phase.\n" +
+                "Works as `--enable-preview` in Java. All class files are marked as preview-generated thus it won't be possible to use them in release environment"
+    )
+    var enableJvmPreview: Boolean by FreezableVar(false)
+
     override fun configureAnalysisFlags(collector: MessageCollector): MutableMap<AnalysisFlag<*>, Any> {
         val result = super.configureAnalysisFlags(collector)
         result[JvmAnalysisFlags.strictMetadataVersionSemantics] = strictMetadataVersionSemantics
@@ -438,7 +455,8 @@ class K2JVMCompilerArguments : CommonCompilerArguments() {
         result[JvmAnalysisFlags.sanitizeParentheses] = sanitizeParentheses
         result[JvmAnalysisFlags.suppressMissingBuiltinsError] = suppressMissingBuiltinsError
         result[JvmAnalysisFlags.irCheckLocalNames] = irCheckLocalNames
-        result[AnalysisFlags.reportErrorsOnIrDependencies] = !useIR && !useFir && !allowJvmIrDependencies
+        result[JvmAnalysisFlags.enableJvmPreview] = enableJvmPreview
+        result[AnalysisFlags.allowUnstableDependencies] = allowUnstableDependencies || useFir
         result[JvmAnalysisFlags.disableUltraLightClasses] = disableUltraLightClasses
         return result
     }
@@ -452,7 +470,7 @@ class K2JVMCompilerArguments : CommonCompilerArguments() {
     }
 
     override fun checkIrSupport(languageVersionSettings: LanguageVersionSettings, collector: MessageCollector) {
-        if (!useIR) return
+        if (!useIR || useOldBackend) return
 
         if (languageVersionSettings.languageVersion < LanguageVersion.KOTLIN_1_3
             || languageVersionSettings.apiVersion < ApiVersion.KOTLIN_1_3

compiler/cli/cli-runner/src/org/jetbrains/kotlin/runner/Main.kt

@@ -34,22 +34,36 @@ object Main {
         KOTLIN_HOME = File(home)
     }
 
+    enum class HowToRun(val argName: String) {
+        GUESS("guess"),
+        CLASSFILE("classfile"),
+        JAR("jar"),
+        SCRIPT("script");
+        // TODO: consider implementing REPL as well
+
+        companion object {
+            val validValues = "${GUESS.argName} (default), ${CLASSFILE.argName}, ${JAR.argName}, ${SCRIPT.argName} (or .<script filename extension>)"
+
+            fun fromArg(name: String): HowToRun? =
+                HowToRun.values().find { it.argName == name }
+        }
+    }
+
     private fun run(args: Array<String>) {
         val classpath = arrayListOf<URL>()
         val compilerClasspath = arrayListOf<URL>()
         var runner: Runner? = null
-        var collectingArguments = false
-        var collectingExpressions = false
-        var needsCompiler = false
         val arguments = arrayListOf<String>()
-        var expression: String? = null
+        val compilerArguments = arrayListOf<String>()
+        var noStdLib = false
         var noReflect = false
+        var howtorun = HowToRun.GUESS
 
-        fun setExpression(expr: String) {
-            if (expression == null) {
-                expression = expr
+        fun setRunner(newRunner: Runner) {
+            if (runner == null) {
+                runner = newRunner
             } else {
-                throw RunnerException("Only single -e/-expression argument supported")
+                throw AssertionError("conflicting runner settings")
             }
         }
 
@@ -64,20 +78,8 @@ object Main {
                 return args[i]
             }
 
-            if (collectingExpressions) {
-                if ("-expression" == arg || "-e" == arg) {
-                    setExpression(next())
-                    i++
-                    continue
-                } else {
-                    collectingArguments = true
-                }
-            }
-
-            if (collectingArguments) {
-                arguments.add(arg)
-                i++
-                continue
+            fun restAsArguments() {
+                arguments.addAll(args.copyOfRange(i+1, args.size))
             }
 
             if ("-help" == arg || "-h" == arg) {
@@ -96,29 +98,55 @@ object Main {
                     compilerClasspath.addPath(path)
                 }
             }
+            else if ("-howtorun" == arg) {
+                if (howtorun != HowToRun.GUESS) {
+                    throw RunnerException("-howtorun is already set to ${howtorun.argName}")
+                }
+                val howToRunArg = next()
+                if (howToRunArg.startsWith(".")) {
+                    howtorun = HowToRun.SCRIPT
+                    compilerArguments.add("-Xdefault-script-extension=$howToRunArg")
+                } else {
+                    howtorun = HowToRun.fromArg(howToRunArg)
+                        ?: throw RunnerException("invalid argument to the option -howtorun $howToRunArg, valid arguments are: ${HowToRun.validValues}")
+                }
+            }
             else if ("-expression" == arg || "-e" == arg) {
-                setExpression(next())
-                collectingExpressions = true
-                needsCompiler = true
+                if (howtorun != HowToRun.GUESS && howtorun != HowToRun.SCRIPT) {
+                    throw RunnerException("expression evaluation is not compatible with -howtorun argument ${howtorun.argName}")
+                }
+                setRunner(ExpressionRunner(next()))
+                restAsArguments()
+                break
+            }
+            else if ("-no-stdlib" == arg) {
+                noStdLib = true
+                compilerArguments.add(arg)
             }
             else if ("-no-reflect" == arg) {
                 noReflect = true
+                compilerArguments.add(arg)
+            }
+            else if (arg.startsWith("-X")) {
+                compilerArguments.add(arg)
             }
             else if (arg.startsWith("-")) {
-                throw RunnerException("unsupported argument: $arg")
+                throw RunnerException("unknown option: $arg")
             }
-            else if (arg.endsWith(".jar")) {
-                runner = JarRunner(arg)
-                collectingArguments = true
+            else if (howtorun == HowToRun.JAR || (howtorun == HowToRun.GUESS && arg.endsWith(".jar"))) {
+                setRunner(JarRunner(arg))
+                restAsArguments()
+                break
             }
-            else if (arg.endsWith(".kts")) {
-                runner = ScriptRunner(arg)
-                collectingArguments = true
-                needsCompiler = true
+            else if (howtorun == HowToRun.SCRIPT || (howtorun == HowToRun.GUESS && arg.endsWith(".kts"))) {
+                setRunner(ScriptRunner(arg))
+                restAsArguments()
+                break
             }
             else {
-                runner = MainClassRunner(arg)
-                collectingArguments = true
+                setRunner(MainClassRunner(arg))
+                restAsArguments()
+                break
             }
             i++
         }
@@ -127,26 +155,25 @@ object Main {
             classpath.addPath(".")
         }
 
-        classpath.addPath("$KOTLIN_HOME/lib/kotlin-stdlib.jar")
+        if (!noStdLib) {
+            classpath.addPath("$KOTLIN_HOME/lib/kotlin-stdlib.jar")
+        }
 
         if (!noReflect) {
             classpath.addPath("$KOTLIN_HOME/lib/kotlin-reflect.jar")
         }
 
-        if (expression != null) {
-            runner = ExpressionRunner(expression!!)
-        } else if (runner == null) {
-            runner = ReplRunner()
-            needsCompiler = true
+        if (runner == null) {
+            setRunner(ReplRunner())
         }
 
-        if (needsCompiler && compilerClasspath.isEmpty()) {
+        if (runner is RunnerWithCompiler && compilerClasspath.isEmpty()) {
             findCompilerJar(this::class.java, KOTLIN_HOME.resolve("lib")).forEach {
                 compilerClasspath.add(it.absoluteFile.toURI().toURL())
             }
         }
 
-        runner.run(classpath, arguments, compilerClasspath)
+        runner!!.run(classpath, compilerArguments, arguments, compilerClasspath)
     }
 
     private fun MutableList<URL>.addPath(path: String) {
@@ -167,21 +194,31 @@ object Main {
     private fun printUsageAndExit() {
         println("""kotlin: run Kotlin programs, scripts or REPL.
 
-Usage: kotlin <options> <command> <arguments>
-where command may be one of:
-  foo.Bar                    Runs the 'main' function from the class with the given qualified name
-  app.jar                    Runs the given JAR file as 'java -jar' would do
-                             (-classpath argument is ignored and no Kotlin runtime is added to the classpath)
-""" +
-//  script.kts                 Compiles and runs the given script
-//  -expression (-e) '2+2'     Evaluates the expression and prints the result
-"""and possible options include:
+Usage: kotlin <options> <command> [<arguments>]
+where possible options include:
+  -howtorun <value>          How to run the supplied command with arguments, 
+                             valid values: ${HowToRun.validValues}
   -classpath (-cp) <path>    Paths where to find user class files
   -Dname=value               Set a system JVM property
   -J<option>                 Pass an option directly to JVM
+  -no-stdlib                 Don't include Kotlin standard library into classpath
   -no-reflect                Don't include Kotlin reflection implementation into classpath
+  -compiler-path             Kotlin compiler classpath for compiling script or expression or running REPL 
+                             If not specified, try to find the compiler in the environment
+  -X<flag>[=value]           Pass -X argument to the compiler
   -version                   Display Kotlin version
   -help (-h)                 Print a synopsis of options
+and command is interpreted according to the -howtorun option argument 
+or, in case of guess, according to the following rules:
+  foo.Bar                    Runs the 'main' function from the class with the given qualified name
+                             (compiler arguments are ignored) 
+  app.jar                    Runs the given JAR file as 'java -jar' would do
+                             (compiler arguments are ignored and no Kotlin stdlib is added to the classpath)
+  script.kts                 Compiles and runs the given script, passing <arguments> to it
+  -expression (-e) '2+2'     Evaluates the expression and prints the result, passing <arguments> to it
+  <no command>               Runs Kotlin REPL
+arguments are passed to the main function when running class or jar file, and for standard script definitions
+as the 'args' parameter when running script or expression
 """)
         exitProcess(0)
     }

compiler/cli/cli-runner/src/org/jetbrains/kotlin/runner/Runner.kt

@@ -21,6 +21,7 @@ import java.net.URL
 interface Runner {
     fun run(
         classpath: List<URL>,
+        compilerArguments: List<String>,
         arguments: List<String>,
         compilerClasspath: List<URL>
     )

compiler/cli/cli-runner/src/org/jetbrains/kotlin/runner/runners.kt

@@ -32,7 +32,7 @@ abstract class AbstractRunner : Runner {
 
     protected abstract fun createClassLoader(classpath: List<URL>): ClassLoader
 
-    override fun run(classpath: List<URL>, arguments: List<String>, compilerClasspath: List<URL>) {
+    override fun run(classpath: List<URL>, compilerArguments: List<String>, arguments: List<String>, compilerClasspath: List<URL>) {
         val classLoader = createClassLoader(classpath)
 
         val mainClass = try {
@@ -127,39 +127,45 @@ private fun MutableList<String>.addClasspathArgIfNeeded(classpath: List<URL>) {
     }
 }
 
+private fun ArrayList<String>.addScriptArguments(arguments: List<String>) {
+    if (arguments.isNotEmpty() && arguments.first() != "--") {
+        add("--")
+    }
+    addAll(arguments)
+}
+
 class ReplRunner : RunnerWithCompiler() {
-    override fun run(classpath: List<URL>, arguments: List<String>, compilerClasspath: List<URL>) {
-        val compilerArgs = ArrayList<String>()
-        compilerArgs.addClasspathArgIfNeeded(classpath)
+    override fun run(classpath: List<URL>, compilerArguments: List<String>, arguments: List<String>, compilerClasspath: List<URL>) {
+        val compilerArgs = ArrayList<String>().apply {
+            addClasspathArgIfNeeded(classpath)
+            addAll(compilerArguments)
+            addScriptArguments(arguments)
+        }
         runCompiler(compilerClasspath, compilerArgs)
     }
 }
 
 class ScriptRunner(private val path: String) : RunnerWithCompiler() {
-    override fun run(classpath: List<URL>, arguments: List<String>, compilerClasspath: List<URL>) {
+    override fun run(classpath: List<URL>, compilerArguments: List<String>, arguments: List<String>, compilerClasspath: List<URL>) {
         val compilerArgs = ArrayList<String>().apply {
             addClasspathArgIfNeeded(classpath)
+            addAll(compilerArguments)
             add("-script")
             add(path)
-            if (arguments.isNotEmpty() && arguments.first() != "--") {
-                add("--")
-            }
-            addAll(arguments)
+            addScriptArguments(arguments)
         }
         runCompiler(compilerClasspath, compilerArgs)
     }
 }
 
 class ExpressionRunner(private val code: String) : RunnerWithCompiler() {
-    override fun run(classpath: List<URL>, arguments: List<String>, compilerClasspath: List<URL>) {
+    override fun run(classpath: List<URL>, compilerArguments: List<String>, arguments: List<String>, compilerClasspath: List<URL>) {
         val compilerArgs = ArrayList<String>().apply {
             addClasspathArgIfNeeded(classpath)
+            addAll(compilerArguments)
             add("-expression")
             add(code)
-            if (arguments.isNotEmpty() && arguments.first() != "--") {
-                add("--")
-            }
-            addAll(arguments)
+            addScriptArguments(arguments)
         }
         runCompiler(compilerClasspath, compilerArgs)
     }

compiler/cli/src/org/jetbrains/kotlin/cli/common/messages/AnalyzerWithCompilerReport.kt

@@ -182,11 +182,19 @@ class AnalyzerWithCompilerReport(
                 )
             }
 
-            if (diagnostics.any { it.factory == Errors.IR_COMPILED_CLASS }) {
+            if (diagnostics.any { it.factory == Errors.IR_WITH_UNSTABLE_ABI_COMPILED_CLASS }) {
                 messageCollector.report(
                     ERROR,
-                    "Classes compiled by a new Kotlin compiler backend were found in dependencies. " +
-                            "Remove them from the classpath or use '-Xallow-jvm-ir-dependencies' to suppress errors"
+                    "Classes compiled by an unstable version of the Kotlin compiler were found in dependencies. " +
+                            "Remove them from the classpath or use '-Xallow-unstable-dependencies' to suppress errors"
+                )
+            }
+
+            if (diagnostics.any { it.factory == Errors.FIR_COMPILED_CLASS }) {
+                messageCollector.report(
+                    ERROR,
+                    "Classes compiled by the new Kotlin compiler frontend were found in dependencies. " +
+                            "Remove them from the classpath or use '-Xallow-unstable-dependencies' to suppress errors"
                 )
             }
 

compiler/cli/src/org/jetbrains/kotlin/cli/jvm/compiler/JavaLanguageLevel.kt

@@ -0,0 +1,14 @@
+/*
+ * Copyright 2010-2020 JetBrains s.r.o. and Kotlin Programming Language contributors.
+ * Use of this source code is governed by the Apache 2.0 license that can be found in the license/LICENSE.txt file.
+ */
+
+package org.jetbrains.kotlin.cli.jvm.compiler
+
+import com.intellij.openapi.project.Project
+import com.intellij.openapi.roots.LanguageLevelProjectExtension
+import com.intellij.pom.java.LanguageLevel
+
+fun Project.setupHighestLanguageLevel() {
+    LanguageLevelProjectExtension.getInstance(this).languageLevel = LanguageLevel.JDK_15_PREVIEW
+}

compiler/cli/src/org/jetbrains/kotlin/cli/jvm/compiler/JavaLanguageLevel.kt.201

@@ -0,0 +1,14 @@
+/*
+ * Copyright 2010-2020 JetBrains s.r.o. and Kotlin Programming Language contributors.
+ * Use of this source code is governed by the Apache 2.0 license that can be found in the license/LICENSE.txt file.
+ */
+
+package org.jetbrains.kotlin.cli.jvm.compiler
+
+import com.intellij.openapi.project.Project
+import com.intellij.openapi.roots.LanguageLevelProjectExtension
+import com.intellij.pom.java.LanguageLevel
+
+fun Project.setupHighestLanguageLevel() {
+    // LanguageLevelProjectExtension.getInstance(this).languageLevel = LanguageLevel.JDK_15_PREVIEW
+}

compiler/cli/src/org/jetbrains/kotlin/cli/jvm/compiler/KotlinCoreEnvironment.kt

@@ -33,13 +33,16 @@ import com.intellij.openapi.extensions.Extensions
 import com.intellij.openapi.extensions.ExtensionsArea
 import com.intellij.openapi.fileTypes.PlainTextFileType
 import com.intellij.openapi.project.Project
+import com.intellij.openapi.roots.LanguageLevelProjectExtension
 import com.intellij.openapi.util.Disposer
 import com.intellij.openapi.util.io.FileUtilRt
 import com.intellij.openapi.util.text.StringUtil
 import com.intellij.openapi.vfs.*
 import com.intellij.openapi.vfs.impl.ZipHandler
+import com.intellij.pom.java.LanguageLevel
 import com.intellij.psi.PsiElementFinder
 import com.intellij.psi.PsiManager
+import com.intellij.psi.compiled.ClassFileDecompilers
 import com.intellij.psi.impl.JavaClassSupersImpl
 import com.intellij.psi.impl.PsiElementFinderImpl
 import com.intellij.psi.impl.PsiTreeChangePreprocessor
@@ -249,6 +252,8 @@ class KotlinCoreEnvironment private constructor(
         project.putUserData(APPEND_JAVA_SOURCE_ROOTS_HANDLER_KEY, fun(roots: List<File>) {
             updateClasspath(roots.map { JavaSourceRoot(it, null) })
         })
+
+        project.setupHighestLanguageLevel()
     }
 
     private fun collectAdditionalSources(project: MockProject) {
@@ -509,7 +514,11 @@ class KotlinCoreEnvironment private constructor(
             val applicationEnvironment = KotlinCoreApplicationEnvironment.create(parentDisposable, unitTestMode)
 
             registerApplicationExtensionPointsAndExtensionsFrom(configuration, "extensions/compiler.xml")
-            registerApplicationExtensionPointsAndExtensionsFrom(configuration, "extensions/core.xml")
+            // FIX ME WHEN BUNCH 202 REMOVED: this code is required to support compiler bundled to both 202 and 203.
+            // Please, remove "com.intellij.psi.classFileDecompiler" EP registration once 202 is no longer supported by the compiler
+            if (!Extensions.getRootArea().hasExtensionPoint("com.intellij.psi.classFileDecompiler")) {
+                registerApplicationExtensionPointsAndExtensionsFrom(configuration, "extensions/core.xml")
+            }
 
             registerApplicationServicesForCLI(applicationEnvironment)
             registerApplicationServices(applicationEnvironment)

compiler/cli/src/org/jetbrains/kotlin/cli/jvm/compiler/KotlinCoreEnvironment.kt.as42

@@ -649,8 +649,10 @@ class KotlinCoreEnvironment private constructor(
                 registerService(CliLightClassGenerationSupport::class.java, cliLightClassGenerationSupport)
                 registerService(KotlinAsJavaSupport::class.java, kotlinAsJavaSupport)
                 registerService(CodeAnalyzerInitializer::class.java, traceHolder)
-                @Suppress("UnstableApiUsage")
-                registerService(DumbUtil::class.java, KotlinCoreDumbUtil())
+                if (getService(DumbUtil::class.java) == null) {
+                    @Suppress("UnstableApiUsage")
+                    registerService(DumbUtil::class.java, KotlinCoreDumbUtil())
+                }
 
                 val area = Extensions.getArea(this)
 

compiler/cli/src/org/jetbrains/kotlin/cli/jvm/compiler/KotlinToJVMBytecodeCompiler.kt

@@ -52,10 +52,10 @@ import org.jetbrains.kotlin.codegen.state.GenerationStateEventCallback
 import org.jetbrains.kotlin.config.*
 import org.jetbrains.kotlin.container.get
 import org.jetbrains.kotlin.descriptors.ModuleDescriptor
-import org.jetbrains.kotlin.diagnostics.*
+import org.jetbrains.kotlin.diagnostics.Severity
 import org.jetbrains.kotlin.fir.analysis.FirAnalyzerFacade
 import org.jetbrains.kotlin.fir.backend.jvm.FirJvmBackendClassResolver
-import org.jetbrains.kotlin.fir.backend.jvm.FirMetadataSerializer
+import org.jetbrains.kotlin.fir.backend.jvm.FirJvmBackendExtension
 import org.jetbrains.kotlin.fir.checkers.registerExtendedCommonCheckers
 import org.jetbrains.kotlin.fir.java.FirProjectSessionProvider
 import org.jetbrains.kotlin.fir.session.FirJvmModuleInfo
@@ -389,10 +389,8 @@ object KotlinToJVMBytecodeCompiler {
             performanceManager?.notifyIRGenerationStarted()
             generationState.beforeCompile()
             codegenFactory.generateModuleInFrontendIRMode(
-                generationState, moduleFragment, symbolTable, sourceManager, extensions
-            ) { context, irClass, _, serializationBindings, parent ->
-                FirMetadataSerializer(session, context, irClass, serializationBindings, parent)
-            }
+                generationState, moduleFragment, symbolTable, sourceManager, extensions, FirJvmBackendExtension(session, components)
+            )
             CodegenFactory.doCheckCancelled(generationState)
             generationState.factory.done()
 
@@ -463,6 +461,10 @@ object KotlinToJVMBytecodeCompiler {
                 environment.updateClasspath(result.additionalJavaRoots.map { JavaSourceRoot(it, null) })
             }
 
+            if (result.additionalClassPathRoots.isNotEmpty()) {
+                environment.updateClasspath(result.additionalClassPathRoots.map { JvmClasspathRoot(it, false) })
+            }
+
             if (result.additionalKotlinRoots.isNotEmpty()) {
                 environment.addKotlinSourceRoots(result.additionalKotlinRoots)
             }
@@ -472,8 +474,8 @@ object KotlinToJVMBytecodeCompiler {
             // Clear all diagnostic messages
             configuration[CLIConfigurationKeys.MESSAGE_COLLECTOR_KEY]?.clear()
 
-            // Repeat analysis with additional Java roots (kapt generated sources)
-            return analyze(environment)
+            // Repeat analysis with additional source roots generated by compiler plugins.
+            return repeatAnalysisIfNeeded(analyze(environment), environment)
         }
 
         return result
@@ -568,8 +570,6 @@ object KotlinToJVMBytecodeCompiler {
         sourceFiles: List<KtFile>,
         module: Module?
     ): GenerationState {
-        val isIR = (configuration.getBoolean(JVMConfigurationKeys.IR) ||
-                configuration.getBoolean(CommonConfigurationKeys.USE_FIR))
         val generationState = GenerationState.Builder(
             environment.project,
             ClassBuilderFactories.BINARIES,
@@ -579,13 +579,12 @@ object KotlinToJVMBytecodeCompiler {
             configuration
         )
             .codegenFactory(
-                if (isIR) JvmIrCodegenFactory(
+                if (configuration.getBoolean(JVMConfigurationKeys.IR)) JvmIrCodegenFactory(
                     configuration.get(CLIConfigurationKeys.PHASE_CONFIG) ?: PhaseConfig(jvmPhases)
                 ) else DefaultCodegenFactory
             )
             .withModule(module)
             .onIndependentPartCompilationEnd(createOutputFilesFlushingCallbackIfPossible(configuration))
-            .isIrBackend(isIR)
             .build()
 
         ProgressIndicatorAndCompilationCanceledStatus.checkCanceled()

compiler/cli/src/org/jetbrains/kotlin/cli/jvm/jvmArguments.kt

@@ -9,6 +9,7 @@ import org.jetbrains.kotlin.cli.common.CLIConfigurationKeys
 import org.jetbrains.kotlin.cli.common.arguments.K2JVMCompilerArguments
 import org.jetbrains.kotlin.cli.common.getLibraryFromHome
 import org.jetbrains.kotlin.cli.common.messages.CompilerMessageSeverity.*
+import org.jetbrains.kotlin.cli.common.messages.MessageCollector
 import org.jetbrains.kotlin.cli.jvm.compiler.KotlinCoreEnvironment
 import org.jetbrains.kotlin.cli.jvm.config.JvmClasspathRoot
 import org.jetbrains.kotlin.cli.jvm.config.JvmModulePathRoot
@@ -19,9 +20,6 @@ import org.jetbrains.kotlin.utils.PathUtil
 import java.io.File
 
 fun CompilerConfiguration.setupJvmSpecificArguments(arguments: K2JVMCompilerArguments) {
-
-    val messageCollector = getNotNull(CLIConfigurationKeys.MESSAGE_COLLECTOR_KEY)
-
     put(JVMConfigurationKeys.INCLUDE_RUNTIME, arguments.includeRuntime)
 
     putIfNotNull(JVMConfigurationKeys.FRIEND_PATHS, arguments.friendPaths?.asList())
@@ -39,7 +37,7 @@ fun CompilerConfiguration.setupJvmSpecificArguments(arguments: K2JVMCompilerArgu
     }
 
     val jvmTarget = get(JVMConfigurationKeys.JVM_TARGET) ?: JvmTarget.DEFAULT
-    if (jvmTarget.bytecodeVersion < JvmTarget.JVM_1_8.bytecodeVersion) {
+    if (jvmTarget.majorVersion < JvmTarget.JVM_1_8.majorVersion) {
         val jvmDefaultMode = languageVersionSettings.getFlag(JvmAnalysisFlags.jvmDefaultMode)
         if (jvmDefaultMode.forAllMethodsWithBody) {
             messageCollector.report(
@@ -53,7 +51,7 @@ fun CompilerConfiguration.setupJvmSpecificArguments(arguments: K2JVMCompilerArgu
         val runtimeStringConcat = JvmStringConcat.fromString(arguments.stringConcat!!)
         if (runtimeStringConcat != null) {
             put(JVMConfigurationKeys.STRING_CONCAT, runtimeStringConcat)
-            if (jvmTarget.bytecodeVersion < JvmTarget.JVM_9.bytecodeVersion && runtimeStringConcat != JvmStringConcat.INLINE) {
+            if (jvmTarget.majorVersion < JvmTarget.JVM_9.majorVersion && runtimeStringConcat != JvmStringConcat.INLINE) {
                 messageCollector.report(
                     WARNING,
                     "`-Xstring-concat=${arguments.stringConcat}` does nothing with JVM target `${jvmTarget.description}`."
@@ -71,9 +69,6 @@ fun CompilerConfiguration.setupJvmSpecificArguments(arguments: K2JVMCompilerArgu
 }
 
 fun CompilerConfiguration.configureJdkHome(arguments: K2JVMCompilerArguments): Boolean {
-
-    val messageCollector = getNotNull(CLIConfigurationKeys.MESSAGE_COLLECTOR_KEY)
-
     if (arguments.noJdk) {
         put(JVMConfigurationKeys.NO_JDK, true)
 
@@ -84,7 +79,7 @@ fun CompilerConfiguration.configureJdkHome(arguments: K2JVMCompilerArguments): B
     }
 
     if (arguments.jdkHome != null) {
-        val jdkHome = File(arguments.jdkHome)
+        val jdkHome = File(arguments.jdkHome!!)
         if (!jdkHome.exists()) {
             messageCollector.report(ERROR, "JDK home directory does not exist: $jdkHome")
             return false
@@ -114,7 +109,6 @@ fun CompilerConfiguration.configureExplicitContentRoots(arguments: K2JVMCompiler
 }
 
 fun CompilerConfiguration.configureStandardLibs(paths: KotlinPaths?, arguments: K2JVMCompilerArguments) {
-    val messageCollector = getNotNull(CLIConfigurationKeys.MESSAGE_COLLECTOR_KEY)
     val isModularJava = isModularJava()
 
     fun addRoot(moduleName: String, libraryName: String, getLibrary: (KotlinPaths) -> File, noLibraryArgument: String) {
@@ -171,8 +165,38 @@ fun CompilerConfiguration.configureAdvancedJvmOptions(arguments: K2JVMCompilerAr
 
     put(JVMConfigurationKeys.PARAMETERS_METADATA, arguments.javaParameters)
 
-    put(JVMConfigurationKeys.IR, arguments.useIR && !arguments.noUseIR)
-    put(JVMConfigurationKeys.IS_IR_WITH_STABLE_ABI, arguments.isIrWithStableAbi)
+    val useIR = arguments.useFir ||
+            if (languageVersionSettings.supportsFeature(LanguageFeature.JvmIrEnabledByDefault)) {
+                !arguments.useOldBackend
+            } else {
+                arguments.useIR && !arguments.useOldBackend
+            }
+
+    if (arguments.useIR && arguments.useOldBackend) {
+        messageCollector.report(
+            STRONG_WARNING,
+            "Both -Xuse-ir and -Xuse-old-backend are passed. This is an inconsistent configuration. " +
+                    "The compiler will use the ${if (useIR) "JVM IR" else "old JVM"} backend"
+        )
+    }
+    messageCollector.report(LOGGING, "Using ${if (useIR) "JVM IR" else "old JVM"} backend")
+
+    put(JVMConfigurationKeys.IR, useIR)
+
+    val abiStability = JvmAbiStability.fromStringOrNull(arguments.abiStability)
+    if (arguments.abiStability != null) {
+        if (abiStability == null) {
+            messageCollector.report(
+                ERROR,
+                "Unknown ABI stability mode: ${arguments.abiStability}, supported modes: ${JvmAbiStability.values().map { it.description }}"
+            )
+        } else if (!useIR && abiStability == JvmAbiStability.UNSTABLE) {
+            messageCollector.report(ERROR, "-Xabi-stability=unstable is not supported in the old JVM backend")
+        } else {
+            put(JVMConfigurationKeys.ABI_STABILITY, abiStability)
+        }
+    }
+
     put(JVMConfigurationKeys.DO_NOT_CLEAR_BINDING_CONTEXT, arguments.doNotClearBindingContext)
     put(JVMConfigurationKeys.DISABLE_CALL_ASSERTIONS, arguments.noCallAssertions)
     put(JVMConfigurationKeys.DISABLE_RECEIVER_ASSERTIONS, arguments.noReceiverAssertions)
@@ -189,57 +213,54 @@ fun CompilerConfiguration.configureAdvancedJvmOptions(arguments: K2JVMCompilerAr
     put(JVMConfigurationKeys.NO_UNIFIED_NULL_CHECKS, arguments.noUnifiedNullChecks)
 
     if (!JVMConstructorCallNormalizationMode.isSupportedValue(arguments.constructorCallNormalizationMode)) {
-        getNotNull(CLIConfigurationKeys.MESSAGE_COLLECTOR_KEY).report(
+        messageCollector.report(
             ERROR,
             "Unknown constructor call normalization mode: ${arguments.constructorCallNormalizationMode}, " +
                     "supported modes: ${JVMConstructorCallNormalizationMode.values().map { it.description }}"
         )
     }
 
-    val constructorCallNormalizationMode =
-        JVMConstructorCallNormalizationMode.fromStringOrNull(arguments.constructorCallNormalizationMode)
+    val constructorCallNormalizationMode = JVMConstructorCallNormalizationMode.fromStringOrNull(arguments.constructorCallNormalizationMode)
     if (constructorCallNormalizationMode != null) {
-        put(
-            JVMConfigurationKeys.CONSTRUCTOR_CALL_NORMALIZATION_MODE,
-            constructorCallNormalizationMode
-        )
+        put(JVMConfigurationKeys.CONSTRUCTOR_CALL_NORMALIZATION_MODE, constructorCallNormalizationMode)
     }
 
     val assertionsMode =
         JVMAssertionsMode.fromStringOrNull(arguments.assertionsMode)
     if (assertionsMode == null) {
-        getNotNull(CLIConfigurationKeys.MESSAGE_COLLECTOR_KEY).report(
+        messageCollector.report(
             ERROR,
-            "Unknown assertions mode: ${arguments.assertionsMode}, " +
-                    "supported modes: ${JVMAssertionsMode.values().map { it.description }}"
+            "Unknown assertions mode: ${arguments.assertionsMode}, supported modes: ${JVMAssertionsMode.values().map { it.description }}"
         )
     }
-    put(
-        JVMConfigurationKeys.ASSERTIONS_MODE,
-        assertionsMode ?: JVMAssertionsMode.DEFAULT
-    )
+    put(JVMConfigurationKeys.ASSERTIONS_MODE, assertionsMode ?: JVMAssertionsMode.DEFAULT)
 
     put(JVMConfigurationKeys.USE_TYPE_TABLE, arguments.useTypeTable)
     put(JVMConfigurationKeys.SKIP_RUNTIME_VERSION_CHECK, arguments.skipRuntimeVersionCheck)
     put(JVMConfigurationKeys.USE_PSI_CLASS_FILES_READING, arguments.useOldClassFilesReading)
 
     if (arguments.useOldClassFilesReading) {
-        getNotNull(CLIConfigurationKeys.MESSAGE_COLLECTOR_KEY)
-            .report(INFO, "Using the old java class files reading implementation")
+        messageCollector.report(INFO, "Using the old java class files reading implementation")
     }
 
     put(CLIConfigurationKeys.ALLOW_KOTLIN_PACKAGE, arguments.allowKotlinPackage)
     put(JVMConfigurationKeys.USE_SINGLE_MODULE, arguments.singleModule)
     put(JVMConfigurationKeys.USE_OLD_SPILLED_VAR_TYPE_ANALYSIS, arguments.useOldSpilledVarTypeAnalysis)
     put(JVMConfigurationKeys.USE_OLD_INLINE_CLASSES_MANGLING_SCHEME, arguments.useOldInlineClassesManglingScheme)
+    put(JVMConfigurationKeys.ENABLE_JVM_PREVIEW, arguments.enableJvmPreview)
+
+    if (arguments.enableJvmPreview) {
+        messageCollector.report(INFO, "Using preview Java language features")
+    }
 
     arguments.declarationsOutputPath?.let { put(JVMConfigurationKeys.DECLARATIONS_JSON_PATH, it) }
 }
 
 fun CompilerConfiguration.configureKlibPaths(arguments: K2JVMCompilerArguments) {
-    assert(arguments.useIR || arguments.klibLibraries == null) { "Klib libraries can only be used with IR backend" }
-    arguments.klibLibraries?.split(File.pathSeparator.toRegex())
-        ?.toTypedArray()
-        ?.filterNot { it.isEmpty() }
-        ?.let { put(JVMConfigurationKeys.KLIB_PATHS, it) }
-}
+    val libraries = arguments.klibLibraries ?: return
+    assert(arguments.useIR && !arguments.useOldBackend) { "Klib libraries can only be used with IR backend" }
+    put(JVMConfigurationKeys.KLIB_PATHS, libraries.split(File.pathSeparator.toRegex()).filterNot(String::isEmpty))
+}
+
+private val CompilerConfiguration.messageCollector: MessageCollector
+    get() = getNotNull(CLIConfigurationKeys.MESSAGE_COLLECTOR_KEY)

compiler/config.jvm/src/org/jetbrains/kotlin/config/JVMConfigurationKeys.java

@@ -117,8 +117,8 @@ public class JVMConfigurationKeys {
     public static final CompilerConfigurationKey<List<String>> KLIB_PATHS =
             CompilerConfigurationKey.create("Paths to .klib libraries");
 
-    public static final CompilerConfigurationKey<Boolean> IS_IR_WITH_STABLE_ABI =
-            CompilerConfigurationKey.create("Is IR with stable ABI");
+    public static final CompilerConfigurationKey<JvmAbiStability> ABI_STABILITY =
+            CompilerConfigurationKey.create("ABI stability of class files produced by JVM IR and/or FIR");
 
     public static final CompilerConfigurationKey<Boolean> DO_NOT_CLEAR_BINDING_CONTEXT =
             CompilerConfigurationKey.create("When using the IR backend, do not clear BindingContext between psi2ir and lowerings");
@@ -140,4 +140,7 @@ public class JVMConfigurationKeys {
 
     public static final CompilerConfigurationKey<Boolean> USE_OLD_INLINE_CLASSES_MANGLING_SCHEME =
             CompilerConfigurationKey.create("Use old, 1.4 version of inline classes mangling scheme");
+
+    public static final CompilerConfigurationKey<Boolean> ENABLE_JVM_PREVIEW =
+            CompilerConfigurationKey.create("Enable Java language preview features");
 }

compiler/config.jvm/src/org/jetbrains/kotlin/config/JvmAbiStability.kt

@@ -0,0 +1,17 @@
+/*
+ * Copyright 2010-2020 JetBrains s.r.o. and Kotlin Programming Language contributors.
+ * Use of this source code is governed by the Apache 2.0 license that can be found in the license/LICENSE.txt file.
+ */
+
+package org.jetbrains.kotlin.config
+
+enum class JvmAbiStability(val description: String) {
+    STABLE("stable"),
+    UNSTABLE("unstable"),
+    ;
+
+    companion object {
+        fun fromStringOrNull(string: String?): JvmAbiStability? =
+            values().find { it.description == string }
+    }
+}

compiler/config.jvm/src/org/jetbrains/kotlin/config/JvmAnalysisFlags.kt

@@ -33,6 +33,9 @@ object JvmAnalysisFlags {
     @JvmStatic
     val disableUltraLightClasses by AnalysisFlag.Delegates.Boolean
 
+    @JvmStatic
+    val enableJvmPreview by AnalysisFlag.Delegates.Boolean
+
     private object Delegates {
         object JavaTypeEnhancementStateWarnByDefault {
             operator fun provideDelegate(instance: Any?, property: KProperty<*>): AnalysisFlag.Delegate<JavaTypeEnhancementState> =

compiler/config.jvm/src/org/jetbrains/kotlin/config/JvmTarget.kt

@@ -19,32 +19,21 @@ package org.jetbrains.kotlin.config
 import org.jetbrains.kotlin.platform.TargetPlatformVersion
 import org.jetbrains.org.objectweb.asm.Opcodes
 
-enum class JvmTarget(override val description: String) : TargetPlatformVersion {
-    JVM_1_6("1.6"),
-    JVM_1_8("1.8"),
-    JVM_9("9"),
-    JVM_10("10"),
-    JVM_11("11"),
-    JVM_12("12"),
-    JVM_13("13"),
-    JVM_14("14"),
-    JVM_15("15"),
+enum class JvmTarget(
+    override val description: String,
+    val majorVersion: Int,
+) : TargetPlatformVersion {
+    JVM_1_6("1.6", Opcodes.V1_6),
+    JVM_1_8("1.8", Opcodes.V1_8),
+    JVM_9("9", Opcodes.V9),
+    JVM_10("10", Opcodes.V10),
+    JVM_11("11", Opcodes.V11),
+    JVM_12("12", Opcodes.V12),
+    JVM_13("13", Opcodes.V12 + 1),
+    JVM_14("14", Opcodes.V12 + 2),
+    JVM_15("15", Opcodes.V12 + 3),
     ;
 
-    val bytecodeVersion: Int by lazy {
-        when (this) {
-            JVM_1_6 -> Opcodes.V1_6
-            JVM_1_8 -> Opcodes.V1_8
-            JVM_9 -> Opcodes.V9
-            JVM_10 -> Opcodes.V10
-            JVM_11 -> Opcodes.V11
-            JVM_12 -> Opcodes.V12
-            JVM_13 -> Opcodes.V12 + 1
-            JVM_14 -> Opcodes.V12 + 2
-            JVM_15 -> Opcodes.V12 + 3
-        }
-    }
-
     companion object {
         @JvmField
         val DEFAULT = JVM_1_6
@@ -52,14 +41,14 @@ enum class JvmTarget(override val description: String) : TargetPlatformVersion {
         @JvmStatic
         fun fromString(string: String) = values().find { it.description == string }
 
-        fun getDescription(bytecodeVersion: Int): String {
-            val platformDescription = values().find { it.bytecodeVersion == bytecodeVersion }?.description ?: when (bytecodeVersion) {
+        fun getDescription(majorVersion: Int): String {
+            val platformDescription = values().find { it.majorVersion == majorVersion }?.description ?: when (majorVersion) {
                 Opcodes.V1_7 -> "1.7"
                 else -> null
             }
 
             return if (platformDescription != null) "JVM target $platformDescription"
-            else "JVM bytecode version $bytecodeVersion"
+            else "JVM bytecode version $majorVersion"
         }
     }
 }

compiler/config/src/org/jetbrains/kotlin/config/AnalysisFlags.kt

@@ -46,7 +46,7 @@ object AnalysisFlags {
     val ideMode by AnalysisFlag.Delegates.Boolean
 
     @JvmStatic
-    val reportErrorsOnIrDependencies by AnalysisFlag.Delegates.Boolean
+    val allowUnstableDependencies by AnalysisFlag.Delegates.Boolean
 
     @JvmStatic
     val libraryToSourceAnalysis by AnalysisFlag.Delegates.Boolean

compiler/fir/analysis-tests/testData/loadCompiledKotlin/annotations/classMembers/HiddenConstructorWithInlineClassParameters.txt

@@ -28,7 +28,7 @@ public final class Test : R|kotlin/Any| {
 
 }
 
-public final inline class Z : R|kotlin/Any| {
+@R|kotlin/jvm/JvmInline|() public final inline class Z : R|kotlin/Any| {
     public open operator fun equals(other: R|kotlin/Any?|): R|kotlin/Boolean|
 
     public open fun hashCode(): R|kotlin/Int|
@@ -41,3 +41,4 @@ public final inline class Z : R|kotlin/Any| {
     public constructor(x: R|kotlin/Int|): R|test/Z|
 
 }
+

compiler/fir/analysis-tests/testData/loadCompiledKotlin/annotations/classMembers/PublishedApiAnnotationOnInlineClassCosntructor.txt

@@ -1,4 +1,4 @@
-public final inline class Z : R|kotlin/Any| {
+@R|kotlin/jvm/JvmInline|() public final inline class Z : R|kotlin/Any| {
     public open operator fun equals(other: R|kotlin/Any?|): R|kotlin/Boolean|
 
     public open fun hashCode(): R|kotlin/Int|
@@ -11,3 +11,4 @@ public final inline class Z : R|kotlin/Any| {
     @R|kotlin/PublishedApi|() internal constructor(value: R|kotlin/Int|): R|test/Z|
 
 }
+

compiler/fir/analysis-tests/testData/resolve/arguments/definetelyNotNullForTypeParameter.txt

@@ -7,5 +7,5 @@ FILE: definetelyNotNullForTypeParameter.kt
     public final fun <F : R|kotlin/Any|> foo(computable: R|Out<F?>|): R|kotlin/Unit| {
     }
     public final fun <T : R|kotlin/Any|> bar(computable: R|Out<T?>|): R|kotlin/Unit| {
-        R|/foo|<R|T?!!|>(R|/id|<R|T?|>(R|<local>/computable|))
+        R|/foo|<R|T|>(R|/id|<R|T?|>(R|<local>/computable|))
     }

compiler/fir/analysis-tests/tests-gen/org/jetbrains/kotlin/fir/ExtendedFirDiagnosticsTestGenerated.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2010-2020 JetBrains s.r.o. and Kotlin Programming Language contributors.
+ * Copyright 2010-2021 JetBrains s.r.o. and Kotlin Programming Language contributors.
  * Use of this source code is governed by the Apache 2.0 license that can be found in the license/LICENSE.txt file.
  */
 

compiler/fir/analysis-tests/tests-gen/org/jetbrains/kotlin/fir/ExtendedFirWithLightTreeDiagnosticsTestGenerated.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2010-2020 JetBrains s.r.o. and Kotlin Programming Language contributors.
+ * Copyright 2010-2021 JetBrains s.r.o. and Kotlin Programming Language contributors.
  * Use of this source code is governed by the Apache 2.0 license that can be found in the license/LICENSE.txt file.
  */
 

compiler/fir/analysis-tests/tests-gen/org/jetbrains/kotlin/fir/FirDiagnosticsTestGenerated.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2010-2020 JetBrains s.r.o. and Kotlin Programming Language contributors.
+ * Copyright 2010-2021 JetBrains s.r.o. and Kotlin Programming Language contributors.
  * Use of this source code is governed by the Apache 2.0 license that can be found in the license/LICENSE.txt file.
  */
 

compiler/fir/analysis-tests/tests-gen/org/jetbrains/kotlin/fir/FirDiagnosticsWithLightTreeTestGenerated.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2010-2020 JetBrains s.r.o. and Kotlin Programming Language contributors.
+ * Copyright 2010-2021 JetBrains s.r.o. and Kotlin Programming Language contributors.
  * Use of this source code is governed by the Apache 2.0 license that can be found in the license/LICENSE.txt file.
  */
 

compiler/fir/analysis-tests/tests-gen/org/jetbrains/kotlin/fir/FirDiagnosticsWithStdlibTestGenerated.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2010-2020 JetBrains s.r.o. and Kotlin Programming Language contributors.
+ * Copyright 2010-2021 JetBrains s.r.o. and Kotlin Programming Language contributors.
  * Use of this source code is governed by the Apache 2.0 license that can be found in the license/LICENSE.txt file.
  */
 

compiler/fir/analysis-tests/tests-gen/org/jetbrains/kotlin/fir/FirLoadCompiledKotlinGenerated.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2010-2020 JetBrains s.r.o. and Kotlin Programming Language contributors.
+ * Copyright 2010-2021 JetBrains s.r.o. and Kotlin Programming Language contributors.
  * Use of this source code is governed by the Apache 2.0 license that can be found in the license/LICENSE.txt file.
  */
 

compiler/fir/analysis-tests/tests-gen/org/jetbrains/kotlin/fir/FirOldFrontendDiagnosticsTestGenerated.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2010-2020 JetBrains s.r.o. and Kotlin Programming Language contributors.
+ * Copyright 2010-2021 JetBrains s.r.o. and Kotlin Programming Language contributors.
  * Use of this source code is governed by the Apache 2.0 license that can be found in the license/LICENSE.txt file.
  */
 
@@ -1224,6 +1224,11 @@ public class FirOldFrontendDiagnosticsTestGenerated extends AbstractFirOldFronte
             public void testParenthesizedAnnotations() throws Exception {
                 runTest("compiler/testData/diagnostics/tests/annotations/functionalTypes/parenthesizedAnnotations.kt");
             }
+
+            @TestMetadata("propagteAnyAnnotations.kt")
+            public void testPropagteAnyAnnotations() throws Exception {
+                runTest("compiler/testData/diagnostics/tests/annotations/functionalTypes/propagteAnyAnnotations.kt");
+            }
         }
 
         @TestMetadata("compiler/testData/diagnostics/tests/annotations/options")
@@ -7892,6 +7897,24 @@ public class FirOldFrontendDiagnosticsTestGenerated extends AbstractFirOldFronte
         }
     }
 
+    @TestMetadata("compiler/testData/diagnostics/tests/exceptions")
+    @TestDataPath("$PROJECT_ROOT")
+    @RunWith(JUnit3RunnerWithInners.class)
+    public static class Exceptions extends AbstractFirOldFrontendDiagnosticsTest {
+        private void runTest(String testDataFilePath) throws Exception {
+            KotlinTestUtils.runTest(this::doTest, this, testDataFilePath);
+        }
+
+        public void testAllFilesPresentInExceptions() throws Exception {
+            KotlinTestUtils.assertAllTestsPresentByMetadataWithExcluded(this.getClass(), new File("compiler/testData/diagnostics/tests/exceptions"), Pattern.compile("^(.+)\\.kt$"), Pattern.compile("^(.+)\\.fir\\.kts?$"), true);
+        }
+
+        @TestMetadata("kt24158.kt")
+        public void testKt24158() throws Exception {
+            runTest("compiler/testData/diagnostics/tests/exceptions/kt24158.kt");
+        }
+    }
+
     @TestMetadata("compiler/testData/diagnostics/tests/exposed")
     @TestDataPath("$PROJECT_ROOT")
     @RunWith(JUnit3RunnerWithInners.class)
@@ -10527,6 +10550,11 @@ public class FirOldFrontendDiagnosticsTestGenerated extends AbstractFirOldFronte
             runTest("compiler/testData/diagnostics/tests/inference/reportAboutUnresolvedReferenceAsUnresolved.kt");
         }
 
+        @TestMetadata("reportNotEnoughTypeInformationErrorsOnBlockExpressions.kt")
+        public void testReportNotEnoughTypeInformationErrorsOnBlockExpressions() throws Exception {
+            runTest("compiler/testData/diagnostics/tests/inference/reportNotEnoughTypeInformationErrorsOnBlockExpressions.kt");
+        }
+
         @TestMetadata("resolveWithUnknownLambdaParameterType.kt")
         public void testResolveWithUnknownLambdaParameterType() throws Exception {
             runTest("compiler/testData/diagnostics/tests/inference/resolveWithUnknownLambdaParameterType.kt");
@@ -10537,14 +10565,9 @@ public class FirOldFrontendDiagnosticsTestGenerated extends AbstractFirOldFronte
             runTest("compiler/testData/diagnostics/tests/inference/returningLambdaInSuspendContext.kt");
         }
 
-        @TestMetadata("simpleLambdaInCallWithAnotherLambdaWithBuilderInference.kt")
-        public void testSimpleLambdaInCallWithAnotherLambdaWithBuilderInference() throws Exception {
-            runTest("compiler/testData/diagnostics/tests/inference/simpleLambdaInCallWithAnotherLambdaWithBuilderInference.kt");
-        }
-
-        @TestMetadata("skipedUnresolvedInBuilderInferenceWithStubReceiverType.kt")
-        public void testSkipedUnresolvedInBuilderInferenceWithStubReceiverType() throws Exception {
-            runTest("compiler/testData/diagnostics/tests/inference/skipedUnresolvedInBuilderInferenceWithStubReceiverType.kt");
+        @TestMetadata("specialCallsWithCallableReferences.kt")
+        public void testSpecialCallsWithCallableReferences() throws Exception {
+            runTest("compiler/testData/diagnostics/tests/inference/specialCallsWithCallableReferences.kt");
         }
 
         @TestMetadata("starApproximation.kt")
@@ -10602,6 +10625,59 @@ public class FirOldFrontendDiagnosticsTestGenerated extends AbstractFirOldFronte
             runTest("compiler/testData/diagnostics/tests/inference/useFunctionLiteralsToInferType.kt");
         }
 
+        @TestMetadata("compiler/testData/diagnostics/tests/inference/builderInference")
+        @TestDataPath("$PROJECT_ROOT")
+        @RunWith(JUnit3RunnerWithInners.class)
+        public static class BuilderInference extends AbstractFirOldFrontendDiagnosticsTest {
+            private void runTest(String testDataFilePath) throws Exception {
+                KotlinTestUtils.runTest(this::doTest, this, testDataFilePath);
+            }
+
+            public void testAllFilesPresentInBuilderInference() throws Exception {
+                KotlinTestUtils.assertAllTestsPresentByMetadataWithExcluded(this.getClass(), new File("compiler/testData/diagnostics/tests/inference/builderInference"), Pattern.compile("^(.+)\\.kt$"), Pattern.compile("^(.+)\\.fir\\.kts?$"), true);
+            }
+
+            @TestMetadata("simpleLambdaInCallWithAnotherLambdaWithBuilderInference.kt")
+            public void testSimpleLambdaInCallWithAnotherLambdaWithBuilderInference() throws Exception {
+                runTest("compiler/testData/diagnostics/tests/inference/builderInference/simpleLambdaInCallWithAnotherLambdaWithBuilderInference.kt");
+            }
+
+            @TestMetadata("skipedUnresolvedInBuilderInferenceWithStubReceiverType.kt")
+            public void testSkipedUnresolvedInBuilderInferenceWithStubReceiverType() throws Exception {
+                runTest("compiler/testData/diagnostics/tests/inference/builderInference/skipedUnresolvedInBuilderInferenceWithStubReceiverType.kt");
+            }
+
+            @TestMetadata("specialCallsWithCallableReferences.kt")
+            public void testSpecialCallsWithCallableReferences() throws Exception {
+                runTest("compiler/testData/diagnostics/tests/inference/builderInference/specialCallsWithCallableReferences.kt");
+            }
+
+            @TestMetadata("specialCallsWithCallableReferencesDontCareTypeInBlockExression.kt")
+            public void testSpecialCallsWithCallableReferencesDontCareTypeInBlockExression() throws Exception {
+                runTest("compiler/testData/diagnostics/tests/inference/builderInference/specialCallsWithCallableReferencesDontCareTypeInBlockExression.kt");
+            }
+
+            @TestMetadata("specialCallsWithCallableReferencesDontRewriteAtSlice.kt")
+            public void testSpecialCallsWithCallableReferencesDontRewriteAtSlice() throws Exception {
+                runTest("compiler/testData/diagnostics/tests/inference/builderInference/specialCallsWithCallableReferencesDontRewriteAtSlice.kt");
+            }
+
+            @TestMetadata("specialCallsWithCallableReferencesErrorType.kt")
+            public void testSpecialCallsWithCallableReferencesErrorType() throws Exception {
+                runTest("compiler/testData/diagnostics/tests/inference/builderInference/specialCallsWithCallableReferencesErrorType.kt");
+            }
+
+            @TestMetadata("specialCallsWithCallableReferencesNonStrictOnlyInputTypes.kt")
+            public void testSpecialCallsWithCallableReferencesNonStrictOnlyInputTypes() throws Exception {
+                runTest("compiler/testData/diagnostics/tests/inference/builderInference/specialCallsWithCallableReferencesNonStrictOnlyInputTypes.kt");
+            }
+
+            @TestMetadata("specialCallsWithLambdas.kt")
+            public void testSpecialCallsWithLambdas() throws Exception {
+                runTest("compiler/testData/diagnostics/tests/inference/builderInference/specialCallsWithLambdas.kt");
+            }
+        }
+
         @TestMetadata("compiler/testData/diagnostics/tests/inference/capturedTypes")
         @TestDataPath("$PROJECT_ROOT")
         @RunWith(JUnit3RunnerWithInners.class)
@@ -10659,6 +10735,16 @@ public class FirOldFrontendDiagnosticsTestGenerated extends AbstractFirOldFronte
                 runTest("compiler/testData/diagnostics/tests/inference/capturedTypes/captureTypeOnlyOnTopLevel.kt");
             }
 
+            @TestMetadata("capturedFlexibleIntersectionTypesWithDifferentBounds.kt")
+            public void testCapturedFlexibleIntersectionTypesWithDifferentBounds() throws Exception {
+                runTest("compiler/testData/diagnostics/tests/inference/capturedTypes/capturedFlexibleIntersectionTypesWithDifferentBounds.kt");
+            }
+
+            @TestMetadata("capturedFlexibleIntersectionTypesWithDifferentConstructors.kt")
+            public void testCapturedFlexibleIntersectionTypesWithDifferentConstructors() throws Exception {
+                runTest("compiler/testData/diagnostics/tests/inference/capturedTypes/capturedFlexibleIntersectionTypesWithDifferentConstructors.kt");
+            }
+
             @TestMetadata("capturedType.kt")
             public void testCapturedType() throws Exception {
                 runTest("compiler/testData/diagnostics/tests/inference/capturedTypes/capturedType.kt");
@@ -10684,6 +10770,11 @@ public class FirOldFrontendDiagnosticsTestGenerated extends AbstractFirOldFronte
                 runTest("compiler/testData/diagnostics/tests/inference/capturedTypes/capturedTypeWithTypeVariableSubtyping.kt");
             }
 
+            @TestMetadata("capturedTypesSubstitutionIntoAbbreviation.kt")
+            public void testCapturedTypesSubstitutionIntoAbbreviation() throws Exception {
+                runTest("compiler/testData/diagnostics/tests/inference/capturedTypes/capturedTypesSubstitutionIntoAbbreviation.kt");
+            }
+
             @TestMetadata("capturingFromArgumentOfFlexibleType.kt")
             public void testCapturingFromArgumentOfFlexibleType() throws Exception {
                 runTest("compiler/testData/diagnostics/tests/inference/capturedTypes/capturingFromArgumentOfFlexibleType.kt");
@@ -12035,6 +12126,11 @@ public class FirOldFrontendDiagnosticsTestGenerated extends AbstractFirOldFronte
                 runTest("compiler/testData/diagnostics/tests/inference/regressions/kt4420.kt");
             }
 
+            @TestMetadata("kt44440.kt")
+            public void testKt44440() throws Exception {
+                runTest("compiler/testData/diagnostics/tests/inference/regressions/kt44440.kt");
+            }
+
             @TestMetadata("kt702.kt")
             public void testKt702() throws Exception {
                 runTest("compiler/testData/diagnostics/tests/inference/regressions/kt702.kt");
@@ -12200,6 +12296,11 @@ public class FirOldFrontendDiagnosticsTestGenerated extends AbstractFirOldFronte
             public void testSubstitutionIntoInnerClass() throws Exception {
                 runTest("compiler/testData/diagnostics/tests/inference/substitutions/substitutionIntoInnerClass.kt");
             }
+
+            @TestMetadata("substitutionOfTypeEnhancement.kt")
+            public void testSubstitutionOfTypeEnhancement() throws Exception {
+                runTest("compiler/testData/diagnostics/tests/inference/substitutions/substitutionOfTypeEnhancement.kt");
+            }
         }
 
         @TestMetadata("compiler/testData/diagnostics/tests/inference/upperBounds")
@@ -12907,6 +13008,11 @@ public class FirOldFrontendDiagnosticsTestGenerated extends AbstractFirOldFronte
             runTest("compiler/testData/diagnostics/tests/inlineClasses/inlineClassesInsideAnnotations.kt");
         }
 
+        @TestMetadata("innerClassInsideInlineClass.kt")
+        public void testInnerClassInsideInlineClass() throws Exception {
+            runTest("compiler/testData/diagnostics/tests/inlineClasses/innerClassInsideInlineClass.kt");
+        }
+
         @TestMetadata("lateinitInlineClasses.kt")
         public void testLateinitInlineClasses() throws Exception {
             runTest("compiler/testData/diagnostics/tests/inlineClasses/lateinitInlineClasses.kt");
@@ -12942,6 +13048,11 @@ public class FirOldFrontendDiagnosticsTestGenerated extends AbstractFirOldFronte
             runTest("compiler/testData/diagnostics/tests/inlineClasses/unsignedLiteralsWithoutArtifactOnClasspath.kt");
         }
 
+        @TestMetadata("varPropertyWithInlineClassReceiver.kt")
+        public void testVarPropertyWithInlineClassReceiver() throws Exception {
+            runTest("compiler/testData/diagnostics/tests/inlineClasses/varPropertyWithInlineClassReceiver.kt");
+        }
+
         @TestMetadata("varargsOnParametersOfInlineClassType.kt")
         public void testVarargsOnParametersOfInlineClassType() throws Exception {
             runTest("compiler/testData/diagnostics/tests/inlineClasses/varargsOnParametersOfInlineClassType.kt");
@@ -17130,6 +17241,11 @@ public class FirOldFrontendDiagnosticsTestGenerated extends AbstractFirOldFronte
             runTest("compiler/testData/diagnostics/tests/platformTypes/override.kt");
         }
 
+        @TestMetadata("propagateFlexibilityFromOtherConstraints.kt")
+        public void testPropagateFlexibilityFromOtherConstraints() throws Exception {
+            runTest("compiler/testData/diagnostics/tests/platformTypes/propagateFlexibilityFromOtherConstraints.kt");
+        }
+
         @TestMetadata("rawOverrides.kt")
         public void testRawOverrides() throws Exception {
             runTest("compiler/testData/diagnostics/tests/platformTypes/rawOverrides.kt");
@@ -17728,6 +17844,11 @@ public class FirOldFrontendDiagnosticsTestGenerated extends AbstractFirOldFronte
                 KotlinTestUtils.assertAllTestsPresentByMetadataWithExcluded(this.getClass(), new File("compiler/testData/diagnostics/tests/platformTypes/typeEnhancement"), Pattern.compile("^(.+)\\.kt$"), Pattern.compile("^(.+)\\.fir\\.kts?$"), true);
             }
 
+            @TestMetadata("buildFlexibleEnhancement.kt")
+            public void testBuildFlexibleEnhancement() throws Exception {
+                runTest("compiler/testData/diagnostics/tests/platformTypes/typeEnhancement/buildFlexibleEnhancement.kt");
+            }
+
             @TestMetadata("overriddenExtensions.kt")
             public void testOverriddenExtensions() throws Exception {
                 runTest("compiler/testData/diagnostics/tests/platformTypes/typeEnhancement/overriddenExtensions.kt");
@@ -19051,6 +19172,11 @@ public class FirOldFrontendDiagnosticsTestGenerated extends AbstractFirOldFronte
             runTest("compiler/testData/diagnostics/tests/regressions/propertyWithExtensionTypeInvoke.kt");
         }
 
+        @TestMetadata("resolveCollectionLiteralInsideLambda.kt")
+        public void testResolveCollectionLiteralInsideLambda() throws Exception {
+            runTest("compiler/testData/diagnostics/tests/regressions/resolveCollectionLiteralInsideLambda.kt");
+        }
+
         @TestMetadata("resolveSubclassOfList.kt")
         public void testResolveSubclassOfList() throws Exception {
             runTest("compiler/testData/diagnostics/tests/regressions/resolveSubclassOfList.kt");
@@ -19542,6 +19668,11 @@ public class FirOldFrontendDiagnosticsTestGenerated extends AbstractFirOldFronte
                 runTest("compiler/testData/diagnostics/tests/resolve/invoke/kt9805.kt");
             }
 
+            @TestMetadata("reportFunctionExpectedOnSimpleUnresolved.kt")
+            public void testReportFunctionExpectedOnSimpleUnresolved() throws Exception {
+                runTest("compiler/testData/diagnostics/tests/resolve/invoke/reportFunctionExpectedOnSimpleUnresolved.kt");
+            }
+
             @TestMetadata("reportFunctionExpectedWhenOneInvokeExist.kt")
             public void testReportFunctionExpectedWhenOneInvokeExist() throws Exception {
                 runTest("compiler/testData/diagnostics/tests/resolve/invoke/reportFunctionExpectedWhenOneInvokeExist.kt");
@@ -20743,6 +20874,16 @@ public class FirOldFrontendDiagnosticsTestGenerated extends AbstractFirOldFronte
             runTest("compiler/testData/diagnostics/tests/sealed/ExhaustiveWhenWithElse.kt");
         }
 
+        @TestMetadata("ExhaustiveWithFreedom.kt")
+        public void testExhaustiveWithFreedom() throws Exception {
+            runTest("compiler/testData/diagnostics/tests/sealed/ExhaustiveWithFreedom.kt");
+        }
+
+        @TestMetadata("inheritorInDifferentModule.kt")
+        public void testInheritorInDifferentModule() throws Exception {
+            runTest("compiler/testData/diagnostics/tests/sealed/inheritorInDifferentModule.kt");
+        }
+
         @TestMetadata("Local.kt")
         public void testLocal() throws Exception {
             runTest("compiler/testData/diagnostics/tests/sealed/Local.kt");
@@ -20753,11 +20894,21 @@ public class FirOldFrontendDiagnosticsTestGenerated extends AbstractFirOldFronte
             runTest("compiler/testData/diagnostics/tests/sealed/LocalSealed.kt");
         }
 
+        @TestMetadata("MultipleFiles_enabled.kt")
+        public void testMultipleFiles_enabled() throws Exception {
+            runTest("compiler/testData/diagnostics/tests/sealed/MultipleFiles_enabled.kt");
+        }
+
         @TestMetadata("NestedSealed.kt")
         public void testNestedSealed() throws Exception {
             runTest("compiler/testData/diagnostics/tests/sealed/NestedSealed.kt");
         }
 
+        @TestMetadata("NestedSealedWithoutRestrictions.kt")
+        public void testNestedSealedWithoutRestrictions() throws Exception {
+            runTest("compiler/testData/diagnostics/tests/sealed/NestedSealedWithoutRestrictions.kt");
+        }
+
         @TestMetadata("NeverConstructed.kt")
         public void testNeverConstructed() throws Exception {
             runTest("compiler/testData/diagnostics/tests/sealed/NeverConstructed.kt");
@@ -20857,6 +21008,34 @@ public class FirOldFrontendDiagnosticsTestGenerated extends AbstractFirOldFronte
         public void testWithInterface() throws Exception {
             runTest("compiler/testData/diagnostics/tests/sealed/WithInterface.kt");
         }
+
+        @TestMetadata("compiler/testData/diagnostics/tests/sealed/interfaces")
+        @TestDataPath("$PROJECT_ROOT")
+        @RunWith(JUnit3RunnerWithInners.class)
+        public static class Interfaces extends AbstractFirOldFrontendDiagnosticsTest {
+            private void runTest(String testDataFilePath) throws Exception {
+                KotlinTestUtils.runTest(this::doTest, this, testDataFilePath);
+            }
+
+            public void testAllFilesPresentInInterfaces() throws Exception {
+                KotlinTestUtils.assertAllTestsPresentByMetadataWithExcluded(this.getClass(), new File("compiler/testData/diagnostics/tests/sealed/interfaces"), Pattern.compile("^(.+)\\.kt$"), Pattern.compile("^(.+)\\.fir\\.kts?$"), true);
+            }
+
+            @TestMetadata("inheritorInDifferentModule.kt")
+            public void testInheritorInDifferentModule() throws Exception {
+                runTest("compiler/testData/diagnostics/tests/sealed/interfaces/inheritorInDifferentModule.kt");
+            }
+
+            @TestMetadata("sealedInterfacesDisabled.kt")
+            public void testSealedInterfacesDisabled() throws Exception {
+                runTest("compiler/testData/diagnostics/tests/sealed/interfaces/sealedInterfacesDisabled.kt");
+            }
+
+            @TestMetadata("simpleSealedInterface.kt")
+            public void testSimpleSealedInterface() throws Exception {
+                runTest("compiler/testData/diagnostics/tests/sealed/interfaces/simpleSealedInterface.kt");
+            }
+        }
     }
 
     @TestMetadata("compiler/testData/diagnostics/tests/secondaryConstructors")
@@ -24403,6 +24582,11 @@ public class FirOldFrontendDiagnosticsTestGenerated extends AbstractFirOldFronte
             runTest("compiler/testData/diagnostics/tests/typealias/boundsViolationInTypeAliasRHS.kt");
         }
 
+        @TestMetadata("boundsViolationRecursive.kt")
+        public void testBoundsViolationRecursive() throws Exception {
+            runTest("compiler/testData/diagnostics/tests/typealias/boundsViolationRecursive.kt");
+        }
+
         @TestMetadata("capturingTypeParametersFromOuterClass.kt")
         public void testCapturingTypeParametersFromOuterClass() throws Exception {
             runTest("compiler/testData/diagnostics/tests/typealias/capturingTypeParametersFromOuterClass.kt");
@@ -24548,6 +24732,11 @@ public class FirOldFrontendDiagnosticsTestGenerated extends AbstractFirOldFronte
             runTest("compiler/testData/diagnostics/tests/typealias/kt14518.kt");
         }
 
+        @TestMetadata("kt14612.kt")
+        public void testKt14612() throws Exception {
+            runTest("compiler/testData/diagnostics/tests/typealias/kt14612.kt");
+        }
+
         @TestMetadata("kt14641.kt")
         public void testKt14641() throws Exception {
             runTest("compiler/testData/diagnostics/tests/typealias/kt14641.kt");

compiler/fir/analysis-tests/tests-gen/org/jetbrains/kotlin/fir/FirOldFrontendDiagnosticsTestWithStdlibGenerated.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2010-2020 JetBrains s.r.o. and Kotlin Programming Language contributors.
+ * Copyright 2010-2021 JetBrains s.r.o. and Kotlin Programming Language contributors.
  * Use of this source code is governed by the Apache 2.0 license that can be found in the license/LICENSE.txt file.
  */
 
@@ -201,6 +201,11 @@ public class FirOldFrontendDiagnosticsTestWithStdlibGenerated extends AbstractFi
             runTest("compiler/testData/diagnostics/testsWithStdLib/annotations/explicitMetadata.kt");
         }
 
+        @TestMetadata("jvmRecordWithoutJdk15.kt")
+        public void testJvmRecordWithoutJdk15() throws Exception {
+            runTest("compiler/testData/diagnostics/testsWithStdLib/annotations/jvmRecordWithoutJdk15.kt");
+        }
+
         @TestMetadata("JvmSyntheticOnDelegate.kt")
         public void testJvmSyntheticOnDelegate() throws Exception {
             runTest("compiler/testData/diagnostics/testsWithStdLib/annotations/JvmSyntheticOnDelegate.kt");

compiler/fir/analysis-tests/tests-gen/org/jetbrains/kotlin/fir/LazyBodyIsNotTouchedTilContractsPhaseTestGenerated.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2010-2020 JetBrains s.r.o. and Kotlin Programming Language contributors.
+ * Copyright 2010-2021 JetBrains s.r.o. and Kotlin Programming Language contributors.
  * Use of this source code is governed by the Apache 2.0 license that can be found in the license/LICENSE.txt file.
  */
 

compiler/fir/analysis-tests/tests-gen/org/jetbrains/kotlin/fir/java/FirOldFrontendLightClassesTestGenerated.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2010-2020 JetBrains s.r.o. and Kotlin Programming Language contributors.
+ * Copyright 2010-2021 JetBrains s.r.o. and Kotlin Programming Language contributors.
  * Use of this source code is governed by the Apache 2.0 license that can be found in the license/LICENSE.txt file.
  */
 

compiler/fir/analysis-tests/tests-gen/org/jetbrains/kotlin/fir/java/FirTypeEnhancementTestGenerated.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2010-2020 JetBrains s.r.o. and Kotlin Programming Language contributors.
+ * Copyright 2010-2021 JetBrains s.r.o. and Kotlin Programming Language contributors.
  * Use of this source code is governed by the Apache 2.0 license that can be found in the license/LICENSE.txt file.
  */
 

compiler/fir/analysis-tests/tests-gen/org/jetbrains/kotlin/fir/java/OwnFirTypeEnhancementTestGenerated.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2010-2020 JetBrains s.r.o. and Kotlin Programming Language contributors.
+ * Copyright 2010-2021 JetBrains s.r.o. and Kotlin Programming Language contributors.
  * Use of this source code is governed by the Apache 2.0 license that can be found in the license/LICENSE.txt file.
  */
 

compiler/fir/checkers/gen/org/jetbrains/kotlin/fir/analysis/checkers/declaration/ComposedDeclarationCheckers.kt

@@ -1,5 +1,5 @@
 /*
- * Copyright 2010-2020 JetBrains s.r.o. and Kotlin Programming Language contributors.
+ * Copyright 2010-2021 JetBrains s.r.o. and Kotlin Programming Language contributors.
  * Use of this source code is governed by the Apache 2.0 license that can be found in the license/LICENSE.txt file.
  */
 

compiler/fir/checkers/gen/org/jetbrains/kotlin/fir/analysis/checkers/declaration/DeclarationCheckers.kt

@@ -1,5 +1,5 @@
 /*
- * Copyright 2010-2020 JetBrains s.r.o. and Kotlin Programming Language contributors.
+ * Copyright 2010-2021 JetBrains s.r.o. and Kotlin Programming Language contributors.
  * Use of this source code is governed by the Apache 2.0 license that can be found in the license/LICENSE.txt file.
  */
 

compiler/fir/checkers/gen/org/jetbrains/kotlin/fir/analysis/checkers/declaration/FirDeclarationCheckerAliases.kt

@@ -1,5 +1,5 @@
 /*
- * Copyright 2010-2020 JetBrains s.r.o. and Kotlin Programming Language contributors.
+ * Copyright 2010-2021 JetBrains s.r.o. and Kotlin Programming Language contributors.
  * Use of this source code is governed by the Apache 2.0 license that can be found in the license/LICENSE.txt file.
  */
 

compiler/fir/checkers/gen/org/jetbrains/kotlin/fir/analysis/checkers/expression/ComposedExpressionCheckers.kt

@@ -1,5 +1,5 @@
 /*
- * Copyright 2010-2020 JetBrains s.r.o. and Kotlin Programming Language contributors.
+ * Copyright 2010-2021 JetBrains s.r.o. and Kotlin Programming Language contributors.
  * Use of this source code is governed by the Apache 2.0 license that can be found in the license/LICENSE.txt file.
  */
 

compiler/fir/checkers/gen/org/jetbrains/kotlin/fir/analysis/checkers/expression/ExpressionCheckers.kt

@@ -1,5 +1,5 @@
 /*
- * Copyright 2010-2020 JetBrains s.r.o. and Kotlin Programming Language contributors.
+ * Copyright 2010-2021 JetBrains s.r.o. and Kotlin Programming Language contributors.
  * Use of this source code is governed by the Apache 2.0 license that can be found in the license/LICENSE.txt file.
  */
 

compiler/fir/checkers/gen/org/jetbrains/kotlin/fir/analysis/checkers/expression/FirExpressionCheckerAliases.kt

@@ -1,5 +1,5 @@
 /*
- * Copyright 2010-2020 JetBrains s.r.o. and Kotlin Programming Language contributors.
+ * Copyright 2010-2021 JetBrains s.r.o. and Kotlin Programming Language contributors.
  * Use of this source code is governed by the Apache 2.0 license that can be found in the license/LICENSE.txt file.
  */
 

compiler/fir/fir2ir/jvm-backend/src/org/jetbrains/kotlin/fir/backend/jvm/FirJvmBackendExtension.kt

@@ -0,0 +1,34 @@
+/*
+ * Copyright 2010-2020 JetBrains s.r.o. and Kotlin Programming Language contributors.
+ * Use of this source code is governed by the Apache 2.0 license that can be found in the license/LICENSE.txt file.
+ */
+
+package org.jetbrains.kotlin.fir.backend.jvm
+
+import org.jetbrains.kotlin.backend.jvm.JvmBackendContext
+import org.jetbrains.kotlin.backend.jvm.JvmBackendExtension
+import org.jetbrains.kotlin.backend.jvm.codegen.MetadataSerializer
+import org.jetbrains.kotlin.codegen.serialization.JvmSerializationBindings
+import org.jetbrains.kotlin.config.JvmAbiStability
+import org.jetbrains.kotlin.fir.FirSession
+import org.jetbrains.kotlin.fir.backend.Fir2IrComponents
+import org.jetbrains.kotlin.ir.declarations.IrClass
+import org.jetbrains.kotlin.load.java.JvmAnnotationNames
+import org.jetbrains.org.objectweb.asm.Type
+
+class FirJvmBackendExtension(private val session: FirSession, private val components: Fir2IrComponents) : JvmBackendExtension {
+    override fun createSerializer(
+        context: JvmBackendContext,
+        klass: IrClass,
+        type: Type,
+        bindings: JvmSerializationBindings,
+        parentSerializer: MetadataSerializer?
+    ): MetadataSerializer {
+        return FirMetadataSerializer(session, context, klass, bindings, parentSerializer)
+    }
+
+    override fun generateMetadataExtraFlags(abiStability: JvmAbiStability?): Int =
+        JvmAnnotationNames.METADATA_JVM_IR_FLAG or
+                JvmAnnotationNames.METADATA_FIR_FLAG or
+                (if (abiStability == JvmAbiStability.STABLE) JvmAnnotationNames.METADATA_JVM_IR_STABLE_ABI_FLAG else 0)
+}

compiler/fir/fir2ir/src/org/jetbrains/kotlin/fir/backend/ConversionUtils.kt

@@ -338,7 +338,8 @@ internal fun IrDeclarationParent.declareThisReceiverParameter(
         symbolTable.irFactory.createValueParameter(
             startOffset, endOffset, thisOrigin, symbol,
             Name.special("<this>"), UNDEFINED_PARAMETER_INDEX, thisType,
-            varargElementType = null, isCrossinline = false, isNoinline = false, isAssignable = false
+            varargElementType = null, isCrossinline = false, isNoinline = false,
+            isHidden = false, isAssignable = false
         ).apply {
             this.parent = this@declareThisReceiverParameter
             receiverDescriptor.bind(this)

compiler/fir/fir2ir/src/org/jetbrains/kotlin/fir/backend/Fir2IrDeclarationStorage.kt

@@ -269,7 +269,8 @@ class Fir2IrDeclarationStorage(
                 startOffset, endOffset, IrDeclarationOrigin.DEFINED, symbol,
                 Name.special("<set-?>"), 0, type,
                 varargElementType = null,
-                isCrossinline = false, isNoinline = false, isAssignable = false
+                isCrossinline = false, isNoinline = false,
+                isHidden = false, isAssignable = false
             ).apply {
                 this.parent = parent
                 descriptor.bind(this)
@@ -899,7 +900,8 @@ class Fir2IrDeclarationStorage(
                     valueParameter.name, index, type,
                     if (!valueParameter.isVararg) null
                     else valueParameter.returnTypeRef.coneType.arrayElementType()?.toIrType(typeContext),
-                    valueParameter.isCrossinline, valueParameter.isNoinline
+                    isCrossinline = valueParameter.isCrossinline, isNoinline = valueParameter.isNoinline,
+                    isHidden = false, isAssignable = false
                 ).apply {
                     descriptor.bind(this)
                     if (valueParameter.defaultValue.let {

compiler/fir/fir2ir/src/org/jetbrains/kotlin/fir/backend/generators/AdapterGenerator.kt

@@ -266,6 +266,7 @@ internal class AdapterGenerator(
                 varargElementType = null,
                 isCrossinline = false,
                 isNoinline = false,
+                isHidden = false,
                 isAssignable = false
             ).also { irAdapterValueParameter ->
                 descriptor.bind(irAdapterValueParameter)

compiler/fir/fir2ir/src/org/jetbrains/kotlin/fir/backend/generators/DataClassMembersGenerator.kt

@@ -17,8 +17,6 @@ import org.jetbrains.kotlin.fir.declarations.impl.FirDeclarationStatusImpl
 import org.jetbrains.kotlin.fir.scopes.unsubstitutedScope
 import org.jetbrains.kotlin.fir.symbols.CallableId
 import org.jetbrains.kotlin.fir.symbols.ConeClassLikeLookupTag
-import org.jetbrains.kotlin.fir.symbols.impl.ConeClassLikeLookupTagImpl
-import org.jetbrains.kotlin.fir.symbols.impl.FirClassSymbol
 import org.jetbrains.kotlin.fir.symbols.impl.FirNamedFunctionSymbol
 import org.jetbrains.kotlin.fir.symbols.impl.FirVariableSymbol
 import org.jetbrains.kotlin.fir.types.ConeStarProjection
@@ -37,7 +35,6 @@ import org.jetbrains.kotlin.ir.expressions.IrMemberAccessExpression
 import org.jetbrains.kotlin.ir.types.IrType
 import org.jetbrains.kotlin.ir.util.*
 import org.jetbrains.kotlin.ir.util.DataClassMembersGenerator
-import org.jetbrains.kotlin.name.ClassId
 import org.jetbrains.kotlin.name.Name
 
 /**
@@ -84,11 +81,11 @@ class DataClassMembersGenerator(val components: Fir2IrComponents) {
                 // TODO
             }
 
-            override fun getBackingField(parameter: ValueParameterDescriptor?, irValueParameter: IrValueParameter?): IrField? =
+            override fun getProperty(parameter: ValueParameterDescriptor?, irValueParameter: IrValueParameter?): IrProperty? =
                 irValueParameter?.let {
                     irClass.properties.single { irProperty ->
                         irProperty.name == irValueParameter.name && irProperty.backingField?.type == irValueParameter.type
-                    }.backingField
+                    }
                 }
 
             override fun transform(typeParameterDescriptor: TypeParameterDescriptor): IrType {
@@ -216,8 +213,8 @@ class DataClassMembersGenerator(val components: Fir2IrComponents) {
         fun generateComponentBody(irFunction: IrFunction) {
             val index = getComponentIndex(irFunction)!!
             val valueParameter = irClass.primaryConstructor!!.valueParameters[index - 1]
-            val backingField = irDataClassMembersGenerator.getBackingField(null, valueParameter)!!
-            irDataClassMembersGenerator.generateComponentFunction(irFunction, backingField)
+            val irProperty = irDataClassMembersGenerator.getProperty(null, valueParameter)!!
+            irDataClassMembersGenerator.generateComponentFunction(irFunction, irProperty)
         }
 
         fun generateCopyBody(irFunction: IrFunction) =
@@ -295,7 +292,7 @@ class DataClassMembersGenerator(val components: Fir2IrComponents) {
             ) { symbol ->
                 components.irFactory.createValueParameter(
                     UNDEFINED_OFFSET, UNDEFINED_OFFSET, origin, symbol, name, index, type, null,
-                    isCrossinline = false, isNoinline = false, isAssignable = false
+                    isCrossinline = false, isNoinline = false, isHidden = false, isAssignable = false
                 )
             }.apply {
                 parent = irFunction

compiler/fir/fir2ir/tests-gen/org/jetbrains/kotlin/codegen/FirCompileKotlinAgainstKotlinTestGenerated.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2010-2020 JetBrains s.r.o. and Kotlin Programming Language contributors.
+ * Copyright 2010-2021 JetBrains s.r.o. and Kotlin Programming Language contributors.
  * Use of this source code is governed by the Apache 2.0 license that can be found in the license/LICENSE.txt file.
  */
 
@@ -53,6 +53,11 @@ public class FirCompileKotlinAgainstKotlinTestGenerated extends AbstractFirCompi
         runTest("compiler/testData/compileKotlinAgainstKotlin/callDeserializedPropertyOnInlineClassType.kt");
     }
 
+    @TestMetadata("callDeserializedPropertyOnInlineClassTypeOldMangling.kt")
+    public void testCallDeserializedPropertyOnInlineClassTypeOldMangling() throws Exception {
+        runTest("compiler/testData/compileKotlinAgainstKotlin/callDeserializedPropertyOnInlineClassTypeOldMangling.kt");
+    }
+
     @TestMetadata("callsToMultifileClassFromOtherPackage.kt")
     public void testCallsToMultifileClassFromOtherPackage() throws Exception {
         runTest("compiler/testData/compileKotlinAgainstKotlin/callsToMultifileClassFromOtherPackage.kt");
@@ -88,6 +93,11 @@ public class FirCompileKotlinAgainstKotlinTestGenerated extends AbstractFirCompi
         runTest("compiler/testData/compileKotlinAgainstKotlin/constructorWithInlineClassParametersInBinaryDependencies.kt");
     }
 
+    @TestMetadata("constructorWithInlineClassParametersInBinaryDependenciesOldMangling.kt")
+    public void testConstructorWithInlineClassParametersInBinaryDependenciesOldMangling() throws Exception {
+        runTest("compiler/testData/compileKotlinAgainstKotlin/constructorWithInlineClassParametersInBinaryDependenciesOldMangling.kt");
+    }
+
     @TestMetadata("copySamOnInline.kt")
     public void testCopySamOnInline() throws Exception {
         runTest("compiler/testData/compileKotlinAgainstKotlin/copySamOnInline.kt");
@@ -123,6 +133,11 @@ public class FirCompileKotlinAgainstKotlinTestGenerated extends AbstractFirCompi
         runTest("compiler/testData/compileKotlinAgainstKotlin/defaultWithInlineClassAndReceivers.kt");
     }
 
+    @TestMetadata("defaultWithInlineClassAndReceiversOldMangling.kt")
+    public void testDefaultWithInlineClassAndReceiversOldMangling() throws Exception {
+        runTest("compiler/testData/compileKotlinAgainstKotlin/defaultWithInlineClassAndReceiversOldMangling.kt");
+    }
+
     @TestMetadata("delegatedDefault.kt")
     public void testDelegatedDefault() throws Exception {
         runTest("compiler/testData/compileKotlinAgainstKotlin/delegatedDefault.kt");
@@ -148,16 +163,46 @@ public class FirCompileKotlinAgainstKotlinTestGenerated extends AbstractFirCompi
         runTest("compiler/testData/compileKotlinAgainstKotlin/expectClassActualTypeAlias.kt");
     }
 
+    @TestMetadata("inlineClassFakeOverrideMangling.kt")
+    public void testInlineClassFakeOverrideMangling() throws Exception {
+        runTest("compiler/testData/compileKotlinAgainstKotlin/inlineClassFakeOverrideMangling.kt");
+    }
+
+    @TestMetadata("inlineClassFakeOverrideManglingOldMangling.kt")
+    public void testInlineClassFakeOverrideManglingOldMangling() throws Exception {
+        runTest("compiler/testData/compileKotlinAgainstKotlin/inlineClassFakeOverrideManglingOldMangling.kt");
+    }
+
     @TestMetadata("inlineClassFromBinaryDependencies.kt")
     public void testInlineClassFromBinaryDependencies() throws Exception {
         runTest("compiler/testData/compileKotlinAgainstKotlin/inlineClassFromBinaryDependencies.kt");
     }
 
+    @TestMetadata("inlineClassFromBinaryDependenciesOldMangling.kt")
+    public void testInlineClassFromBinaryDependenciesOldMangling() throws Exception {
+        runTest("compiler/testData/compileKotlinAgainstKotlin/inlineClassFromBinaryDependenciesOldMangling.kt");
+    }
+
+    @TestMetadata("inlineClassInlineFunctionCall.kt")
+    public void testInlineClassInlineFunctionCall() throws Exception {
+        runTest("compiler/testData/compileKotlinAgainstKotlin/inlineClassInlineFunctionCall.kt");
+    }
+
+    @TestMetadata("inlineClassInlineFunctionCallOldMangling.kt")
+    public void testInlineClassInlineFunctionCallOldMangling() throws Exception {
+        runTest("compiler/testData/compileKotlinAgainstKotlin/inlineClassInlineFunctionCallOldMangling.kt");
+    }
+
     @TestMetadata("inlineClassInlineProperty.kt")
     public void testInlineClassInlineProperty() throws Exception {
         runTest("compiler/testData/compileKotlinAgainstKotlin/inlineClassInlineProperty.kt");
     }
 
+    @TestMetadata("inlineClassInlinePropertyOldMangling.kt")
+    public void testInlineClassInlinePropertyOldMangling() throws Exception {
+        runTest("compiler/testData/compileKotlinAgainstKotlin/inlineClassInlinePropertyOldMangling.kt");
+    }
+
     @TestMetadata("inlineClassesOldMangling.kt")
     public void testInlineClassesOldMangling() throws Exception {
         runTest("compiler/testData/compileKotlinAgainstKotlin/inlineClassesOldMangling.kt");
@@ -188,6 +233,11 @@ public class FirCompileKotlinAgainstKotlinTestGenerated extends AbstractFirCompi
         runTest("compiler/testData/compileKotlinAgainstKotlin/internalWithDefaultArgs.kt");
     }
 
+    @TestMetadata("internalWithInlineClass.kt")
+    public void testInternalWithInlineClass() throws Exception {
+        runTest("compiler/testData/compileKotlinAgainstKotlin/internalWithInlineClass.kt");
+    }
+
     @TestMetadata("internalWithOtherModuleName.kt")
     public void testInternalWithOtherModuleName() throws Exception {
         runTest("compiler/testData/compileKotlinAgainstKotlin/internalWithOtherModuleName.kt");
@@ -328,11 +378,21 @@ public class FirCompileKotlinAgainstKotlinTestGenerated extends AbstractFirCompi
         runTest("compiler/testData/compileKotlinAgainstKotlin/privateCompanionObjectValInDifferentModule.kt");
     }
 
+    @TestMetadata("privateCompanionObjectValInDifferentModuleOldMangling.kt")
+    public void testPrivateCompanionObjectValInDifferentModuleOldMangling() throws Exception {
+        runTest("compiler/testData/compileKotlinAgainstKotlin/privateCompanionObjectValInDifferentModuleOldMangling.kt");
+    }
+
     @TestMetadata("privateTopLevelValInDifferentModule.kt")
     public void testPrivateTopLevelValInDifferentModule() throws Exception {
         runTest("compiler/testData/compileKotlinAgainstKotlin/privateTopLevelValInDifferentModule.kt");
     }
 
+    @TestMetadata("privateTopLevelValInDifferentModuleOldMangling.kt")
+    public void testPrivateTopLevelValInDifferentModuleOldMangling() throws Exception {
+        runTest("compiler/testData/compileKotlinAgainstKotlin/privateTopLevelValInDifferentModuleOldMangling.kt");
+    }
+
     @TestMetadata("propertyReference.kt")
     public void testPropertyReference() throws Exception {
         runTest("compiler/testData/compileKotlinAgainstKotlin/propertyReference.kt");
@@ -383,6 +443,11 @@ public class FirCompileKotlinAgainstKotlinTestGenerated extends AbstractFirCompi
         runTest("compiler/testData/compileKotlinAgainstKotlin/suspendFunWithDefaultMangling.kt");
     }
 
+    @TestMetadata("suspendFunWithDefaultOldMangling.kt")
+    public void testSuspendFunWithDefaultOldMangling() throws Exception {
+        runTest("compiler/testData/compileKotlinAgainstKotlin/suspendFunWithDefaultOldMangling.kt");
+    }
+
     @TestMetadata("targetedJvmName.kt")
     public void testTargetedJvmName() throws Exception {
         runTest("compiler/testData/compileKotlinAgainstKotlin/targetedJvmName.kt");

compiler/fir/fir2ir/tests-gen/org/jetbrains/kotlin/codegen/ir/FirBlackBoxAgainstJavaCodegenTestGenerated.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2010-2020 JetBrains s.r.o. and Kotlin Programming Language contributors.
+ * Copyright 2010-2021 JetBrains s.r.o. and Kotlin Programming Language contributors.
  * Use of this source code is governed by the Apache 2.0 license that can be found in the license/LICENSE.txt file.
  */
 

compiler/fir/fir2ir/tests-gen/org/jetbrains/kotlin/codegen/ir/FirBlackBoxCodegenTestGenerated.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2010-2020 JetBrains s.r.o. and Kotlin Programming Language contributors.
+ * Copyright 2010-2021 JetBrains s.r.o. and Kotlin Programming Language contributors.
  * Use of this source code is governed by the Apache 2.0 license that can be found in the license/LICENSE.txt file.
  */
 
@@ -1731,49 +1731,6 @@ public class FirBlackBoxCodegenTestGenerated extends AbstractFirBlackBoxCodegenT
         }
     }
 
-    @TestMetadata("compiler/testData/codegen/box/builderInference")
-    @TestDataPath("$PROJECT_ROOT")
-    @RunWith(JUnit3RunnerWithInners.class)
-    public static class BuilderInference extends AbstractFirBlackBoxCodegenTest {
-        private void runTest(String testDataFilePath) throws Exception {
-            KotlinTestUtils.runTestWithCustomIgnoreDirective(this::doTest, TargetBackend.JVM_IR, testDataFilePath, "// IGNORE_BACKEND_FIR: ");
-        }
-
-        public void testAllFilesPresentInBuilderInference() throws Exception {
-            KotlinTestUtils.assertAllTestsPresentByMetadataWithExcluded(this.getClass(), new File("compiler/testData/codegen/box/builderInference"), Pattern.compile("^(.+)\\.kt$"), null, TargetBackend.JVM_IR, true);
-        }
-
-        @TestMetadata("callableReferenceAndCoercionToUnit.kt")
-        public void testCallableReferenceAndCoercionToUnit() throws Exception {
-            runTest("compiler/testData/codegen/box/builderInference/callableReferenceAndCoercionToUnit.kt");
-        }
-
-        @TestMetadata("kt41164.kt")
-        public void testKt41164() throws Exception {
-            runTest("compiler/testData/codegen/box/builderInference/kt41164.kt");
-        }
-
-        @TestMetadata("lackOfNullCheckOnNullableInsideBuild.kt")
-        public void testLackOfNullCheckOnNullableInsideBuild() throws Exception {
-            runTest("compiler/testData/codegen/box/builderInference/lackOfNullCheckOnNullableInsideBuild.kt");
-        }
-
-        @TestMetadata("substituteStubTypeIntoCR.kt")
-        public void testSubstituteStubTypeIntoCR() throws Exception {
-            runTest("compiler/testData/codegen/box/builderInference/substituteStubTypeIntoCR.kt");
-        }
-
-        @TestMetadata("substituteStubTypeIntolambdaParameterDescriptor.kt")
-        public void testSubstituteStubTypeIntolambdaParameterDescriptor() throws Exception {
-            runTest("compiler/testData/codegen/box/builderInference/substituteStubTypeIntolambdaParameterDescriptor.kt");
-        }
-
-        @TestMetadata("substituteTypeVariableIntolambdaParameterDescriptor.kt")
-        public void testSubstituteTypeVariableIntolambdaParameterDescriptor() throws Exception {
-            runTest("compiler/testData/codegen/box/builderInference/substituteTypeVariableIntolambdaParameterDescriptor.kt");
-        }
-    }
-
     @TestMetadata("compiler/testData/codegen/box/builtinStubMethods")
     @TestDataPath("$PROJECT_ROOT")
     @RunWith(JUnit3RunnerWithInners.class)
@@ -3840,6 +3797,11 @@ public class FirBlackBoxCodegenTestGenerated extends AbstractFirBlackBoxCodegenT
             runTest("compiler/testData/codegen/box/classes/exceptionConstructor.kt");
         }
 
+        @TestMetadata("extensionFunWithDefaultParam.kt")
+        public void testExtensionFunWithDefaultParam() throws Exception {
+            runTest("compiler/testData/codegen/box/classes/extensionFunWithDefaultParam.kt");
+        }
+
         @TestMetadata("extensionOnNamedClassObject.kt")
         public void testExtensionOnNamedClassObject() throws Exception {
             runTest("compiler/testData/codegen/box/classes/extensionOnNamedClassObject.kt");
@@ -5018,6 +4980,16 @@ public class FirBlackBoxCodegenTestGenerated extends AbstractFirBlackBoxCodegenT
             runTest("compiler/testData/codegen/box/collections/inheritFromHashtable.kt");
         }
 
+        @TestMetadata("internalRemove.kt")
+        public void testInternalRemove() throws Exception {
+            runTest("compiler/testData/codegen/box/collections/internalRemove.kt");
+        }
+
+        @TestMetadata("internalRemoveFromJava.kt")
+        public void testInternalRemoveFromJava() throws Exception {
+            runTest("compiler/testData/codegen/box/collections/internalRemoveFromJava.kt");
+        }
+
         @TestMetadata("irrelevantImplCharSequence.kt")
         public void testIrrelevantImplCharSequence() throws Exception {
             runTest("compiler/testData/codegen/box/collections/irrelevantImplCharSequence.kt");
@@ -7341,6 +7313,11 @@ public class FirBlackBoxCodegenTestGenerated extends AbstractFirBlackBoxCodegenT
                 runTestWithPackageReplacement("compiler/testData/codegen/box/coroutines/featureIntersection/breakWithNonEmptyStack.kt", "kotlin.coroutines");
             }
 
+            @TestMetadata("defaultExpect.kt")
+            public void testDefaultExpect() throws Exception {
+                runTest("compiler/testData/codegen/box/coroutines/featureIntersection/defaultExpect.kt");
+            }
+
             @TestMetadata("delegate.kt")
             public void testDelegate_1_3() throws Exception {
                 runTestWithPackageReplacement("compiler/testData/codegen/box/coroutines/featureIntersection/delegate.kt", "kotlin.coroutines");
@@ -9838,6 +9815,11 @@ public class FirBlackBoxCodegenTestGenerated extends AbstractFirBlackBoxCodegenT
                 runTest("compiler/testData/codegen/box/defaultArguments/function/covariantOverrideGeneric.kt");
             }
 
+            @TestMetadata("defaultLambdaInline.kt")
+            public void testDefaultLambdaInline() throws Exception {
+                runTest("compiler/testData/codegen/box/defaultArguments/function/defaultLambdaInline.kt");
+            }
+
             @TestMetadata("extensionFunctionManyArgs.kt")
             public void testExtensionFunctionManyArgs() throws Exception {
                 runTest("compiler/testData/codegen/box/defaultArguments/function/extensionFunctionManyArgs.kt");
@@ -11140,6 +11122,11 @@ public class FirBlackBoxCodegenTestGenerated extends AbstractFirBlackBoxCodegenT
             runTest("compiler/testData/codegen/box/enum/classForEnumEntry.kt");
         }
 
+        @TestMetadata("companionAccessingEnumValue.kt")
+        public void testCompanionAccessingEnumValue() throws Exception {
+            runTest("compiler/testData/codegen/box/enum/companionAccessingEnumValue.kt");
+        }
+
         @TestMetadata("companionObjectInEnum.kt")
         public void testCompanionObjectInEnum() throws Exception {
             runTest("compiler/testData/codegen/box/enum/companionObjectInEnum.kt");
@@ -12572,6 +12559,11 @@ public class FirBlackBoxCodegenTestGenerated extends AbstractFirBlackBoxCodegenT
                 runTest("compiler/testData/codegen/box/functions/bigArity/javaLambda.kt");
             }
 
+            @TestMetadata("nestedBigArityFunCalls.kt")
+            public void testNestedBigArityFunCalls() throws Exception {
+                runTest("compiler/testData/codegen/box/functions/bigArity/nestedBigArityFunCalls.kt");
+            }
+
             @TestMetadata("subclass.kt")
             public void testSubclass() throws Exception {
                 runTest("compiler/testData/codegen/box/functions/bigArity/subclass.kt");
@@ -13349,6 +13341,11 @@ public class FirBlackBoxCodegenTestGenerated extends AbstractFirBlackBoxCodegenT
             runTest("compiler/testData/codegen/box/inference/capturedStarProjection.kt");
         }
 
+        @TestMetadata("capturedTypesSubstitutionIntoAbbreviation.kt")
+        public void testCapturedTypesSubstitutionIntoAbbreviation() throws Exception {
+            runTest("compiler/testData/codegen/box/inference/capturedTypesSubstitutionIntoAbbreviation.kt");
+        }
+
         @TestMetadata("coercionToUnitForLambdaReturnTypeWithFlexibleConstraint.kt")
         public void testCoercionToUnitForLambdaReturnTypeWithFlexibleConstraint() throws Exception {
             runTest("compiler/testData/codegen/box/inference/coercionToUnitForLambdaReturnTypeWithFlexibleConstraint.kt");
@@ -13469,6 +13466,11 @@ public class FirBlackBoxCodegenTestGenerated extends AbstractFirBlackBoxCodegenT
             runTest("compiler/testData/codegen/box/inference/referenceToCatchParameterFromLambdaExpression.kt");
         }
 
+        @TestMetadata("specialCallsWithCallableReferences.kt")
+        public void testSpecialCallsWithCallableReferences() throws Exception {
+            runTest("compiler/testData/codegen/box/inference/specialCallsWithCallableReferences.kt");
+        }
+
         @TestMetadata("subtypingOfIntersectionIltInsideFlexible.kt")
         public void testSubtypingOfIntersectionIltInsideFlexible() throws Exception {
             runTest("compiler/testData/codegen/box/inference/subtypingOfIntersectionIltInsideFlexible.kt");
@@ -13483,6 +13485,74 @@ public class FirBlackBoxCodegenTestGenerated extends AbstractFirBlackBoxCodegenT
         public void testUnsafeVarianceCodegen() throws Exception {
             runTest("compiler/testData/codegen/box/inference/unsafeVarianceCodegen.kt");
         }
+
+        @TestMetadata("compiler/testData/codegen/box/inference/builderInference")
+        @TestDataPath("$PROJECT_ROOT")
+        @RunWith(JUnit3RunnerWithInners.class)
+        public static class BuilderInference extends AbstractFirBlackBoxCodegenTest {
+            private void runTest(String testDataFilePath) throws Exception {
+                KotlinTestUtils.runTestWithCustomIgnoreDirective(this::doTest, TargetBackend.JVM_IR, testDataFilePath, "// IGNORE_BACKEND_FIR: ");
+            }
+
+            public void testAllFilesPresentInBuilderInference() throws Exception {
+                KotlinTestUtils.assertAllTestsPresentByMetadataWithExcluded(this.getClass(), new File("compiler/testData/codegen/box/inference/builderInference"), Pattern.compile("^(.+)\\.kt$"), null, TargetBackend.JVM_IR, true);
+            }
+
+            @TestMetadata("callableReferenceAndCoercionToUnit.kt")
+            public void testCallableReferenceAndCoercionToUnit() throws Exception {
+                runTest("compiler/testData/codegen/box/inference/builderInference/callableReferenceAndCoercionToUnit.kt");
+            }
+
+            @TestMetadata("kt41164.kt")
+            public void testKt41164() throws Exception {
+                runTest("compiler/testData/codegen/box/inference/builderInference/kt41164.kt");
+            }
+
+            @TestMetadata("lackOfNullCheckOnNullableInsideBuild.kt")
+            public void testLackOfNullCheckOnNullableInsideBuild() throws Exception {
+                runTest("compiler/testData/codegen/box/inference/builderInference/lackOfNullCheckOnNullableInsideBuild.kt");
+            }
+
+            @TestMetadata("specialCallsWithCallableReferences.kt")
+            public void testSpecialCallsWithCallableReferences() throws Exception {
+                runTest("compiler/testData/codegen/box/inference/builderInference/specialCallsWithCallableReferences.kt");
+            }
+
+            @TestMetadata("specialCallsWithCallableReferencesDontCareTypeInBlockExpression.kt")
+            public void testSpecialCallsWithCallableReferencesDontCareTypeInBlockExpression() throws Exception {
+                runTest("compiler/testData/codegen/box/inference/builderInference/specialCallsWithCallableReferencesDontCareTypeInBlockExpression.kt");
+            }
+
+            @TestMetadata("specialCallsWithCallableReferencesErrorType.kt")
+            public void testSpecialCallsWithCallableReferencesErrorType() throws Exception {
+                runTest("compiler/testData/codegen/box/inference/builderInference/specialCallsWithCallableReferencesErrorType.kt");
+            }
+
+            @TestMetadata("specialCallsWithCallableReferencesNonStrictOnlyInputTypes.kt")
+            public void testSpecialCallsWithCallableReferencesNonStrictOnlyInputTypes() throws Exception {
+                runTest("compiler/testData/codegen/box/inference/builderInference/specialCallsWithCallableReferencesNonStrictOnlyInputTypes.kt");
+            }
+
+            @TestMetadata("specialCallsWithLambdas.kt")
+            public void testSpecialCallsWithLambdas() throws Exception {
+                runTest("compiler/testData/codegen/box/inference/builderInference/specialCallsWithLambdas.kt");
+            }
+
+            @TestMetadata("substituteStubTypeIntoCR.kt")
+            public void testSubstituteStubTypeIntoCR() throws Exception {
+                runTest("compiler/testData/codegen/box/inference/builderInference/substituteStubTypeIntoCR.kt");
+            }
+
+            @TestMetadata("substituteStubTypeIntolambdaParameterDescriptor.kt")
+            public void testSubstituteStubTypeIntolambdaParameterDescriptor() throws Exception {
+                runTest("compiler/testData/codegen/box/inference/builderInference/substituteStubTypeIntolambdaParameterDescriptor.kt");
+            }
+
+            @TestMetadata("substituteTypeVariableIntolambdaParameterDescriptor.kt")
+            public void testSubstituteTypeVariableIntolambdaParameterDescriptor() throws Exception {
+                runTest("compiler/testData/codegen/box/inference/builderInference/substituteTypeVariableIntolambdaParameterDescriptor.kt");
+            }
+        }
     }
 
     @TestMetadata("compiler/testData/codegen/box/inlineClasses")
@@ -14142,6 +14212,11 @@ public class FirBlackBoxCodegenTestGenerated extends AbstractFirBlackBoxCodegenT
             runTest("compiler/testData/codegen/box/inlineClasses/multifileClass.kt");
         }
 
+        @TestMetadata("nestedInlineClass.kt")
+        public void testNestedInlineClass() throws Exception {
+            runTest("compiler/testData/codegen/box/inlineClasses/nestedInlineClass.kt");
+        }
+
         @TestMetadata("noAssertionsOnInlineClassBasedOnNullableType.kt")
         public void testNoAssertionsOnInlineClassBasedOnNullableType() throws Exception {
             runTest("compiler/testData/codegen/box/inlineClasses/noAssertionsOnInlineClassBasedOnNullableType.kt");
@@ -15154,6 +15229,59 @@ public class FirBlackBoxCodegenTestGenerated extends AbstractFirBlackBoxCodegenT
             }
         }
 
+        @TestMetadata("compiler/testData/codegen/box/inlineClasses/jvm8DefaultInterfaceMethods")
+        @TestDataPath("$PROJECT_ROOT")
+        @RunWith(JUnit3RunnerWithInners.class)
+        public static class Jvm8DefaultInterfaceMethods extends AbstractFirBlackBoxCodegenTest {
+            private void runTest(String testDataFilePath) throws Exception {
+                KotlinTestUtils.runTestWithCustomIgnoreDirective(this::doTest, TargetBackend.JVM_IR, testDataFilePath, "// IGNORE_BACKEND_FIR: ");
+            }
+
+            public void testAllFilesPresentInJvm8DefaultInterfaceMethods() throws Exception {
+                KotlinTestUtils.assertAllTestsPresentByMetadataWithExcluded(this.getClass(), new File("compiler/testData/codegen/box/inlineClasses/jvm8DefaultInterfaceMethods"), Pattern.compile("^(.+)\\.kt$"), null, TargetBackend.JVM_IR, true);
+            }
+
+            @TestMetadata("javaDefaultMethod.kt")
+            public void testJavaDefaultMethod() throws Exception {
+                runTest("compiler/testData/codegen/box/inlineClasses/jvm8DefaultInterfaceMethods/javaDefaultMethod.kt");
+            }
+
+            @TestMetadata("javaDefaultMethodOverriddenByKotlin.kt")
+            public void testJavaDefaultMethodOverriddenByKotlin() throws Exception {
+                runTest("compiler/testData/codegen/box/inlineClasses/jvm8DefaultInterfaceMethods/javaDefaultMethodOverriddenByKotlin.kt");
+            }
+
+            @TestMetadata("jvmDefaultAll.kt")
+            public void testJvmDefaultAll() throws Exception {
+                runTest("compiler/testData/codegen/box/inlineClasses/jvm8DefaultInterfaceMethods/jvmDefaultAll.kt");
+            }
+
+            @TestMetadata("jvmDefaultAllPrimaryProperty.kt")
+            public void testJvmDefaultAllPrimaryProperty() throws Exception {
+                runTest("compiler/testData/codegen/box/inlineClasses/jvm8DefaultInterfaceMethods/jvmDefaultAllPrimaryProperty.kt");
+            }
+
+            @TestMetadata("jvmDefaultAllProperty.kt")
+            public void testJvmDefaultAllProperty() throws Exception {
+                runTest("compiler/testData/codegen/box/inlineClasses/jvm8DefaultInterfaceMethods/jvmDefaultAllProperty.kt");
+            }
+
+            @TestMetadata("jvmDefaultEnable.kt")
+            public void testJvmDefaultEnable() throws Exception {
+                runTest("compiler/testData/codegen/box/inlineClasses/jvm8DefaultInterfaceMethods/jvmDefaultEnable.kt");
+            }
+
+            @TestMetadata("jvmDefaultEnablePrimaryProperty.kt")
+            public void testJvmDefaultEnablePrimaryProperty() throws Exception {
+                runTest("compiler/testData/codegen/box/inlineClasses/jvm8DefaultInterfaceMethods/jvmDefaultEnablePrimaryProperty.kt");
+            }
+
+            @TestMetadata("jvmDefaultEnableProperty.kt")
+            public void testJvmDefaultEnableProperty() throws Exception {
+                runTest("compiler/testData/codegen/box/inlineClasses/jvm8DefaultInterfaceMethods/jvmDefaultEnableProperty.kt");
+            }
+        }
+
         @TestMetadata("compiler/testData/codegen/box/inlineClasses/propertyDelegation")
         @TestDataPath("$PROJECT_ROOT")
         @RunWith(JUnit3RunnerWithInners.class)
@@ -17914,6 +18042,11 @@ public class FirBlackBoxCodegenTestGenerated extends AbstractFirBlackBoxCodegenT
             runTest("compiler/testData/codegen/box/jvmStatic/kt21246a.kt");
         }
 
+        @TestMetadata("kt31389.kt")
+        public void testKt31389() throws Exception {
+            runTest("compiler/testData/codegen/box/jvmStatic/kt31389.kt");
+        }
+
         @TestMetadata("kt35716.kt")
         public void testKt35716() throws Exception {
             runTest("compiler/testData/codegen/box/jvmStatic/kt35716.kt");
@@ -21463,6 +21596,31 @@ public class FirBlackBoxCodegenTestGenerated extends AbstractFirBlackBoxCodegenT
             runTest("compiler/testData/codegen/box/properties/kt9603.kt");
         }
 
+        @TestMetadata("lazyInitialization.kt")
+        public void testLazyInitialization() throws Exception {
+            runTest("compiler/testData/codegen/box/properties/lazyInitialization.kt");
+        }
+
+        @TestMetadata("lazyInitializationCyclicImports.kt")
+        public void testLazyInitializationCyclicImports() throws Exception {
+            runTest("compiler/testData/codegen/box/properties/lazyInitializationCyclicImports.kt");
+        }
+
+        @TestMetadata("lazyInitializationMultiModule.kt")
+        public void testLazyInitializationMultiModule() throws Exception {
+            runTest("compiler/testData/codegen/box/properties/lazyInitializationMultiModule.kt");
+        }
+
+        @TestMetadata("lazyInitializationOrder.kt")
+        public void testLazyInitializationOrder() throws Exception {
+            runTest("compiler/testData/codegen/box/properties/lazyInitializationOrder.kt");
+        }
+
+        @TestMetadata("lazyInitializationSplitPerModule.kt")
+        public void testLazyInitializationSplitPerModule() throws Exception {
+            runTest("compiler/testData/codegen/box/properties/lazyInitializationSplitPerModule.kt");
+        }
+
         @TestMetadata("primitiveOverrideDefaultAccessor.kt")
         public void testPrimitiveOverrideDefaultAccessor() throws Exception {
             runTest("compiler/testData/codegen/box/properties/primitiveOverrideDefaultAccessor.kt");
@@ -30117,6 +30275,11 @@ public class FirBlackBoxCodegenTestGenerated extends AbstractFirBlackBoxCodegenT
             KotlinTestUtils.assertAllTestsPresentByMetadataWithExcluded(this.getClass(), new File("compiler/testData/codegen/box/sealed"), Pattern.compile("^(.+)\\.kt$"), null, TargetBackend.JVM_IR, true);
         }
 
+        @TestMetadata("multipleFiles_enabled.kt")
+        public void testMultipleFiles_enabled() throws Exception {
+            runTest("compiler/testData/codegen/box/sealed/multipleFiles_enabled.kt");
+        }
+
         @TestMetadata("objects.kt")
         public void testObjects() throws Exception {
             runTest("compiler/testData/codegen/box/sealed/objects.kt");
@@ -32036,6 +32199,11 @@ public class FirBlackBoxCodegenTestGenerated extends AbstractFirBlackBoxCodegenT
             runTest("compiler/testData/codegen/box/unsignedTypes/equalsImplForInlineClassWrappingNullableInlineClass.kt");
         }
 
+        @TestMetadata("evaluateConstructorOfUnsignedArrayType.kt")
+        public void testEvaluateConstructorOfUnsignedArrayType() throws Exception {
+            runTest("compiler/testData/codegen/box/unsignedTypes/evaluateConstructorOfUnsignedArrayType.kt");
+        }
+
         @TestMetadata("evaluateConstructorOfUnsignedType.kt")
         public void testEvaluateConstructorOfUnsignedType() throws Exception {
             runTest("compiler/testData/codegen/box/unsignedTypes/evaluateConstructorOfUnsignedType.kt");
@@ -32215,6 +32383,59 @@ public class FirBlackBoxCodegenTestGenerated extends AbstractFirBlackBoxCodegenT
         public void testWhenByUnsigned() throws Exception {
             runTest("compiler/testData/codegen/box/unsignedTypes/whenByUnsigned.kt");
         }
+
+        @TestMetadata("compiler/testData/codegen/box/unsignedTypes/jvm8Intrinsics")
+        @TestDataPath("$PROJECT_ROOT")
+        @RunWith(JUnit3RunnerWithInners.class)
+        public static class Jvm8Intrinsics extends AbstractFirBlackBoxCodegenTest {
+            private void runTest(String testDataFilePath) throws Exception {
+                KotlinTestUtils.runTestWithCustomIgnoreDirective(this::doTest, TargetBackend.JVM_IR, testDataFilePath, "// IGNORE_BACKEND_FIR: ");
+            }
+
+            public void testAllFilesPresentInJvm8Intrinsics() throws Exception {
+                KotlinTestUtils.assertAllTestsPresentByMetadataWithExcluded(this.getClass(), new File("compiler/testData/codegen/box/unsignedTypes/jvm8Intrinsics"), Pattern.compile("^(.+)\\.kt$"), null, TargetBackend.JVM_IR, true);
+            }
+
+            @TestMetadata("unsignedIntCompare_jvm8.kt")
+            public void testUnsignedIntCompare_jvm8() throws Exception {
+                runTest("compiler/testData/codegen/box/unsignedTypes/jvm8Intrinsics/unsignedIntCompare_jvm8.kt");
+            }
+
+            @TestMetadata("unsignedIntDivide_jvm8.kt")
+            public void testUnsignedIntDivide_jvm8() throws Exception {
+                runTest("compiler/testData/codegen/box/unsignedTypes/jvm8Intrinsics/unsignedIntDivide_jvm8.kt");
+            }
+
+            @TestMetadata("unsignedIntRemainder_jvm8.kt")
+            public void testUnsignedIntRemainder_jvm8() throws Exception {
+                runTest("compiler/testData/codegen/box/unsignedTypes/jvm8Intrinsics/unsignedIntRemainder_jvm8.kt");
+            }
+
+            @TestMetadata("unsignedIntToString_jvm8.kt")
+            public void testUnsignedIntToString_jvm8() throws Exception {
+                runTest("compiler/testData/codegen/box/unsignedTypes/jvm8Intrinsics/unsignedIntToString_jvm8.kt");
+            }
+
+            @TestMetadata("unsignedLongCompare_jvm8.kt")
+            public void testUnsignedLongCompare_jvm8() throws Exception {
+                runTest("compiler/testData/codegen/box/unsignedTypes/jvm8Intrinsics/unsignedLongCompare_jvm8.kt");
+            }
+
+            @TestMetadata("unsignedLongDivide_jvm8.kt")
+            public void testUnsignedLongDivide_jvm8() throws Exception {
+                runTest("compiler/testData/codegen/box/unsignedTypes/jvm8Intrinsics/unsignedLongDivide_jvm8.kt");
+            }
+
+            @TestMetadata("unsignedLongRemainder_jvm8.kt")
+            public void testUnsignedLongRemainder_jvm8() throws Exception {
+                runTest("compiler/testData/codegen/box/unsignedTypes/jvm8Intrinsics/unsignedLongRemainder_jvm8.kt");
+            }
+
+            @TestMetadata("unsignedLongToString_jvm8.kt")
+            public void testUnsignedLongToString_jvm8() throws Exception {
+                runTest("compiler/testData/codegen/box/unsignedTypes/jvm8Intrinsics/unsignedLongToString_jvm8.kt");
+            }
+        }
     }
 
     @TestMetadata("compiler/testData/codegen/box/vararg")

compiler/fir/fir2ir/tests-gen/org/jetbrains/kotlin/codegen/ir/FirBlackBoxInlineCodegenTestGenerated.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2010-2020 JetBrains s.r.o. and Kotlin Programming Language contributors.
+ * Copyright 2010-2021 JetBrains s.r.o. and Kotlin Programming Language contributors.
  * Use of this source code is governed by the Apache 2.0 license that can be found in the license/LICENSE.txt file.
  */
 

compiler/fir/fir2ir/tests-gen/org/jetbrains/kotlin/codegen/ir/FirBytecodeTextTestGenerated.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2010-2020 JetBrains s.r.o. and Kotlin Programming Language contributors.
+ * Copyright 2010-2021 JetBrains s.r.o. and Kotlin Programming Language contributors.
  * Use of this source code is governed by the Apache 2.0 license that can be found in the license/LICENSE.txt file.
  */
 
@@ -4210,6 +4210,16 @@ public class FirBytecodeTextTestGenerated extends AbstractFirBytecodeTextTest {
             KotlinTestUtils.assertAllTestsPresentByMetadataWithExcluded(this.getClass(), new File("compiler/testData/codegen/bytecodeText/properties"), Pattern.compile("^(.+)\\.kt$"), null, TargetBackend.JVM_IR, true);
         }
 
+        @TestMetadata("dataClass.kt")
+        public void testDataClass() throws Exception {
+            runTest("compiler/testData/codegen/bytecodeText/properties/dataClass.kt");
+        }
+
+        @TestMetadata("openDataClass.kt")
+        public void testOpenDataClass() throws Exception {
+            runTest("compiler/testData/codegen/bytecodeText/properties/openDataClass.kt");
+        }
+
         @TestMetadata("compiler/testData/codegen/bytecodeText/properties/lateinit")
         @TestDataPath("$PROJECT_ROOT")
         @RunWith(JUnit3RunnerWithInners.class)

compiler/fir/fir2ir/tests-gen/org/jetbrains/kotlin/fir/Fir2IrTextTestGenerated.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2010-2020 JetBrains s.r.o. and Kotlin Programming Language contributors.
+ * Copyright 2010-2021 JetBrains s.r.o. and Kotlin Programming Language contributors.
  * Use of this source code is governed by the Apache 2.0 license that can be found in the license/LICENSE.txt file.
  */
 
@@ -221,6 +221,11 @@ public class Fir2IrTextTestGenerated extends AbstractFir2IrTextTest {
             runTest("compiler/testData/ir/irText/classes/objectWithInitializers.kt");
         }
 
+        @TestMetadata("openDataClass.kt")
+        public void testOpenDataClass() throws Exception {
+            runTest("compiler/testData/ir/irText/classes/openDataClass.kt");
+        }
+
         @TestMetadata("outerClassAccess.kt")
         public void testOuterClassAccess() throws Exception {
             runTest("compiler/testData/ir/irText/classes/outerClassAccess.kt");
@@ -2205,6 +2210,11 @@ public class Fir2IrTextTestGenerated extends AbstractFir2IrTextTest {
             runTest("compiler/testData/ir/irText/types/starProjection_OI.kt");
         }
 
+        @TestMetadata("typeAliasWithUnsafeVariance.kt")
+        public void testTypeAliasWithUnsafeVariance() throws Exception {
+            runTest("compiler/testData/ir/irText/types/typeAliasWithUnsafeVariance.kt");
+        }
+
         @TestMetadata("compiler/testData/ir/irText/types/nullChecks")
         @TestDataPath("$PROJECT_ROOT")
         @RunWith(JUnit3RunnerWithInners.class)

compiler/fir/raw-fir/light-tree2fir/tests-gen/org/jetbrains/kotlin/fir/lightTree/LightTree2FirConverterTestCaseGenerated.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2010-2020 JetBrains s.r.o. and Kotlin Programming Language contributors.
+ * Copyright 2010-2021 JetBrains s.r.o. and Kotlin Programming Language contributors.
  * Use of this source code is governed by the Apache 2.0 license that can be found in the license/LICENSE.txt file.
  */
 

compiler/fir/raw-fir/psi2fir/tests-gen/org/jetbrains/kotlin/fir/builder/PartialRawFirBuilderTestCaseGenerated.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2010-2020 JetBrains s.r.o. and Kotlin Programming Language contributors.
+ * Copyright 2010-2021 JetBrains s.r.o. and Kotlin Programming Language contributors.
  * Use of this source code is governed by the Apache 2.0 license that can be found in the license/LICENSE.txt file.
  */
 

compiler/fir/raw-fir/psi2fir/tests-gen/org/jetbrains/kotlin/fir/builder/RawFirBuilderLazyBodiesTestCaseGenerated.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2010-2020 JetBrains s.r.o. and Kotlin Programming Language contributors.
+ * Copyright 2010-2021 JetBrains s.r.o. and Kotlin Programming Language contributors.
  * Use of this source code is governed by the Apache 2.0 license that can be found in the license/LICENSE.txt file.
  */
 

compiler/fir/raw-fir/psi2fir/tests-gen/org/jetbrains/kotlin/fir/builder/RawFirBuilderSourceElementMappingTestCaseGenerated.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2010-2020 JetBrains s.r.o. and Kotlin Programming Language contributors.
+ * Copyright 2010-2021 JetBrains s.r.o. and Kotlin Programming Language contributors.
  * Use of this source code is governed by the Apache 2.0 license that can be found in the license/LICENSE.txt file.
  */
 

compiler/fir/raw-fir/psi2fir/tests-gen/org/jetbrains/kotlin/fir/builder/RawFirBuilderTestCaseGenerated.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2010-2020 JetBrains s.r.o. and Kotlin Programming Language contributors.
+ * Copyright 2010-2021 JetBrains s.r.o. and Kotlin Programming Language contributors.
  * Use of this source code is governed by the Apache 2.0 license that can be found in the license/LICENSE.txt file.
  */
 

compiler/fir/resolve/src/org/jetbrains/kotlin/fir/types/ConeInferenceContext.kt

@@ -58,7 +58,8 @@ interface ConeInferenceContext : TypeSystemInferenceExtensionContext, ConeTypeCo
         constructor: TypeConstructorMarker,
         arguments: List<TypeArgumentMarker>,
         nullable: Boolean,
-        isExtensionFunction: Boolean
+        isExtensionFunction: Boolean,
+        annotations: List<AnnotationMarker>? // TODO: process annotations
     ): SimpleTypeMarker {
         val attributes = if (isExtensionFunction) // TODO: assert correct type constructor
             ConeAttributes.create(listOf(CompilerConeAttributes.ExtensionFunctionType))
@@ -365,6 +366,10 @@ interface ConeInferenceContext : TypeSystemInferenceExtensionContext, ConeTypeCo
         return this is ConeCapturedTypeConstructor
     }
 
+    override fun TypeConstructorMarker.isTypeParameterTypeConstructor(): Boolean {
+        return this.getTypeParameterClassifier() != null
+    }
+
     override fun KotlinTypeMarker.removeExactAnnotation(): KotlinTypeMarker {
         // TODO
         return this

compiler/fir/resolve/src/org/jetbrains/kotlin/fir/types/ConeTypeContext.kt

@@ -402,6 +402,11 @@ interface ConeTypeContext : TypeSystemContext, TypeSystemOptimizationContext, Ty
         return false
     }
 
+    override fun KotlinTypeMarker.getAnnotations(): List<AnnotationMarker> {
+        require(this is ConeKotlinType)
+        return emptyList() // TODO
+    }
+
     override fun SimpleTypeMarker.isStubType(): Boolean {
         return this is StubTypeMarker
     }

compiler/fir/tree/gen/org/jetbrains/kotlin/fir/FirAnnotationContainer.kt

@@ -1,5 +1,5 @@
 /*
- * Copyright 2010-2020 JetBrains s.r.o. and Kotlin Programming Language contributors.
+ * Copyright 2010-2021 JetBrains s.r.o. and Kotlin Programming Language contributors.
  * Use of this source code is governed by the Apache 2.0 license that can be found in the license/LICENSE.txt file.
  */
 

compiler/fir/tree/gen/org/jetbrains/kotlin/fir/FirElement.kt

@@ -1,5 +1,5 @@
 /*
- * Copyright 2010-2020 JetBrains s.r.o. and Kotlin Programming Language contributors.
+ * Copyright 2010-2021 JetBrains s.r.o. and Kotlin Programming Language contributors.
  * Use of this source code is governed by the Apache 2.0 license that can be found in the license/LICENSE.txt file.
  */
 

compiler/fir/tree/gen/org/jetbrains/kotlin/fir/FirLabel.kt

@@ -1,5 +1,5 @@
 /*
- * Copyright 2010-2020 JetBrains s.r.o. and Kotlin Programming Language contributors.
+ * Copyright 2010-2021 JetBrains s.r.o. and Kotlin Programming Language contributors.
  * Use of this source code is governed by the Apache 2.0 license that can be found in the license/LICENSE.txt file.
  */
 

compiler/fir/tree/gen/org/jetbrains/kotlin/fir/FirSymbolOwner.kt

@@ -1,5 +1,5 @@
 /*
- * Copyright 2010-2020 JetBrains s.r.o. and Kotlin Programming Language contributors.
+ * Copyright 2010-2021 JetBrains s.r.o. and Kotlin Programming Language contributors.
  * Use of this source code is governed by the Apache 2.0 license that can be found in the license/LICENSE.txt file.
  */
 

compiler/fir/tree/gen/org/jetbrains/kotlin/fir/FirTargetElement.kt

@@ -1,5 +1,5 @@
 /*
- * Copyright 2010-2020 JetBrains s.r.o. and Kotlin Programming Language contributors.
+ * Copyright 2010-2021 JetBrains s.r.o. and Kotlin Programming Language contributors.
  * Use of this source code is governed by the Apache 2.0 license that can be found in the license/LICENSE.txt file.
  */
 

compiler/fir/tree/gen/org/jetbrains/kotlin/fir/builder/FirAnnotationContainerBuilder.kt

@@ -1,5 +1,5 @@
 /*
- * Copyright 2010-2020 JetBrains s.r.o. and Kotlin Programming Language contributors.
+ * Copyright 2010-2021 JetBrains s.r.o. and Kotlin Programming Language contributors.
  * Use of this source code is governed by the Apache 2.0 license that can be found in the license/LICENSE.txt file.
  */
 

compiler/fir/tree/gen/org/jetbrains/kotlin/fir/builder/FirLabelBuilder.kt

@@ -1,5 +1,5 @@
 /*
- * Copyright 2010-2020 JetBrains s.r.o. and Kotlin Programming Language contributors.
+ * Copyright 2010-2021 JetBrains s.r.o. and Kotlin Programming Language contributors.
  * Use of this source code is governed by the Apache 2.0 license that can be found in the license/LICENSE.txt file.
  */
 

compiler/fir/tree/gen/org/jetbrains/kotlin/fir/contracts/FirContractDescription.kt

@@ -1,5 +1,5 @@
 /*
- * Copyright 2010-2020 JetBrains s.r.o. and Kotlin Programming Language contributors.
+ * Copyright 2010-2021 JetBrains s.r.o. and Kotlin Programming Language contributors.
  * Use of this source code is governed by the Apache 2.0 license that can be found in the license/LICENSE.txt file.
  */
 

compiler/fir/tree/gen/org/jetbrains/kotlin/fir/contracts/FirEffectDeclaration.kt

@@ -1,5 +1,5 @@
 /*
- * Copyright 2010-2020 JetBrains s.r.o. and Kotlin Programming Language contributors.
+ * Copyright 2010-2021 JetBrains s.r.o. and Kotlin Programming Language contributors.
  * Use of this source code is governed by the Apache 2.0 license that can be found in the license/LICENSE.txt file.
  */
 

compiler/fir/tree/gen/org/jetbrains/kotlin/fir/contracts/FirLegacyRawContractDescription.kt

@@ -1,5 +1,5 @@
 /*
- * Copyright 2010-2020 JetBrains s.r.o. and Kotlin Programming Language contributors.
+ * Copyright 2010-2021 JetBrains s.r.o. and Kotlin Programming Language contributors.
  * Use of this source code is governed by the Apache 2.0 license that can be found in the license/LICENSE.txt file.
  */