Introduce KClass<T>.javaPrimitiveType and KClass<T>.javaObjectType

#KT-6319 Fixed

compiler/testData/codegen/boxWithStdlib/reflection/javaProperties/javaReified.kt

@@ -0,0 +1,24 @@
+import kotlin.reflect.KClass
+
+inline fun <reified T : Any> check(expected: String) {
+    val clazz = T::class.java!!
+    assert (clazz.canonicalName == "java.lang.${expected.capitalize()}") {
+        "clazz name: ${clazz.canonicalName}"
+    }
+}
+
+fun box(): String {
+    check<Boolean>("boolean")
+    check<Char>("character")
+    check<Byte>("byte")
+    check<Short>("short")
+    check<Int>("integer")
+    check<Float>("float")
+    check<Long>("long")
+    check<Double>("double")
+
+    check<String>("String")
+    check<java.lang.Void>("Void")
+
+    return "OK"
+}