JVM_IR indy-SAM: use '-Xsam-conversions=indy' if JVM 1.8+, LV 1.5+

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

@@ -213,13 +213,13 @@ class GenerationState private constructor(
         val fromConfig = configuration.get(JVMConfigurationKeys.SAM_CONVERSIONS)
         if (fromConfig != null && target >= fromConfig.minJvmTarget)
             fromConfig
-        else {
-            // TODO wait for KT-44844 (properly support 'invokedynamic' in JPS incremental compilation)
-            // Use JvmClosureGenerationScheme.INDY if
-            //  JVM target is at least JVM_1_8 &&
-            //  SamWrapperClassesAreSynthetic language feature is supported
+        else if (
+            target >= JvmClosureGenerationScheme.INDY.minJvmTarget &&
+            languageVersionSettings.supportsFeature(LanguageFeature.SamWrapperClassesAreSynthetic)
+        )
+            JvmClosureGenerationScheme.INDY
+        else
             JvmClosureGenerationScheme.CLASS
-        }
     }
 
     val lambdasScheme = run {

compiler/testData/codegen/bytecodeText/sam/samWrapperInInlineLambda.kt

@@ -1,3 +1,4 @@
+// SAM_CONVERSIONS: CLASS
 // FILE: J.java
 
 public class J {

compiler/testData/codegen/bytecodeText/sam/samWrapperOfReference.kt

@@ -1,3 +1,4 @@
+// SAM_CONVERSIONS: CLASS
 // This optimization is only done by the JVM_IR backend.
 // IGNORE_BACKEND: JVM
 // FILE: JFoo.java
@@ -17,7 +18,6 @@ fun test() {
     JFoo.foo(A()::f)
 }
 
-// Referenced function called from run(), no wrapper class generated:
 // 1 NEW A
 // 2 NEW
 // 0 INVOKEINTERFACE

compiler/testData/codegen/bytecodeText/sam/samWrapperRawTypes.kt

@@ -25,5 +25,11 @@ inline fun inlineFun() {
 // There should be no generic information in the SAM wrappers.
 // 0 declaration: void <init>\(kotlin.jvm.functions.Function1<.*, .*>\)
 // 0 declaration: function extends kotlin.jvm.functions.Function1<.*, .*>
+
+// JVM_TEMPLATES
 // 2 private final synthetic Lkotlin/jvm/functions/Function1; function
 // 2 <init>\(Lkotlin/jvm/functions/Function1;\)V
+
+// JVM_IR_TEMPLATES
+// 1 private final synthetic Lkotlin/jvm/functions/Function1; function
+// 1 <init>\(Lkotlin/jvm/functions/Function1;\)V

compiler/testData/codegen/java9/box/kt36984.kt

@@ -1,4 +1,6 @@
 // TARGET_BACKEND: JVM
+// IGNORE_BACKEND: JVM_IR
+//  ^ JVM_IR back-end generates SAM conversion with invokedynamic
 // WITH_RUNTIME
 
 fun box(): String {
@@ -13,4 +15,4 @@ fun box(): String {
         throw Exception("!samJavaClass.isAnonymousClass(): '${samJavaClass.name}'")
 
     return "OK"
-}
+}

idea/jvm-debugger/jvm-debugger-test/testData/stepping/stepInto/samAdapter.out

@@ -1,3 +1,4 @@
+// IGNORE_BACKEND: JVM_IR
 LineBreakpoint created at samAdapter.kt:6
 Run Java
 Connected to the target VM

tests/mute-common.csv

@@ -103,3 +103,7 @@ org.jetbrains.kotlin.idea.caches.resolve.IdeCompiledLightClassTestGenerated.Scri
 org.jetbrains.kotlin.idea.caches.resolve.IdeCompiledLightClassTestGenerated.Script.testInnerClasses, KT-44472,,
 org.jetbrains.kotlin.idea.caches.resolve.IdeCompiledLightClassTestGenerated.testDelegatedNested, KT-44472,,
 org.jetbrains.kotlin.idea.caches.resolve.IdeCompiledLightClassTestGenerated.testDelegation, KT-44472,,
+org.jetbrains.kotlin.jps.build.IncrementalJvmJpsTestGenerated.WithJava.JavaUsedInKotlin.SamConversions.testMethodAdded, KT-44844 fixed in IDEA 212,,
+org.jetbrains.kotlin.jps.build.IncrementalJvmJpsTestGenerated.WithJava.JavaUsedInKotlin.SamConversions.testMethodAddedSamAdapter, KT-44844 fixed in IDEA 212,,
+org.jetbrains.kotlin.jps.build.IncrementalJvmJpsTestGenerated.WithJava.JavaUsedInKotlin.SamConversions.testMethodSignatureChanged, KT-44844 fixed in IDEA 212,,
+org.jetbrains.kotlin.jps.build.IncrementalJvmJpsTestGenerated.WithJava.JavaUsedInKotlin.SamConversions.testMethodSignatureChangedSamAdapter, KT-44844 fixed in IDEA 212,,