JVM: enable -Xlambdas=class for some backend tests

These tests are checking the specifics of the class-generated lambdas.

compiler/testData/checkLocalVariablesTable/destructuringInLambdas.kt

@@ -1,3 +1,5 @@
+// LAMBDAS: CLASS
+
 data class A(val x: String, val y: Int)
 
 fun foo(a: A, block: (A) -> String): String = block(a)

compiler/testData/checkLocalVariablesTable/itInLambda.kt

@@ -1,3 +1,5 @@
+// LAMBDAS: CLASS
+
 public fun <T> Iterable<T>.myforEach(operation: (T) -> Unit) : Unit {
     for (element in this) operation(element)
 }

compiler/testData/checkLocalVariablesTable/itInReturnedLambda.kt

@@ -1,3 +1,5 @@
+// LAMBDAS: CLASS
+
 fun foo() {
     fun bar() : (Int) -> Unit {
         return {

compiler/testData/checkLocalVariablesTable/lambdaAsVar.kt

@@ -1,3 +1,5 @@
+// LAMBDAS: CLASS
+
 fun foo() {
     var a = {
 

compiler/testData/checkLocalVariablesTable/objectInLocalPropertyDelegate.kt

@@ -1,3 +1,5 @@
+// LAMBDAS: CLASS
+
 operator fun (() -> String).getValue(thisRef: Any?, property: Any?) = this()
 
 fun foo() {

compiler/testData/checkLocalVariablesTable/underscoreNames.kt

@@ -1,3 +1,5 @@
+// LAMBDAS: CLASS
+
 data class A(val x: Double = 1.0, val y: String = "", val z: Char = '0')
 
 fun foo(a: A, block: (A, String, Int) -> String): String = block(a, "", 1)

compiler/testData/cli/jvm/syntheticAccessorForPropertiesSignatureClash.args

@@ -1,3 +1,4 @@
 $TESTDATA_DIR$/syntheticAccessorForPropertiesSignatureClash.kt
 -d
 $TEMP_DIR$
+-Xlambdas=class

compiler/testData/cli/jvm/syntheticAccessorPropertyAndFunSignatureClash.args

@@ -1,3 +1,4 @@
 $TESTDATA_DIR$/syntheticAccessorPropertyAndFunSignatureClash.kt
 -d
 $TEMP_DIR$
+-Xlambdas=class

compiler/testData/codegen/box/jvm8/defaults/noDefaultImpls/kt11969.kt

@@ -3,6 +3,7 @@
 // IGNORE_BACKEND: ANDROID
 // JVM_TARGET: 1.8
 // WITH_STDLIB
+// LAMBDAS: CLASS
 
 interface Z {
     private fun privateFun() = { "OK" }

compiler/testData/writeFlags/lambda/simpleLambda.kt

@@ -1,3 +1,5 @@
+// LAMBDAS: CLASS
+
 class Foo {
     fun foo() = { }
 }

compiler/testData/writeFlags/protectedAccessToBaseMethodDifferentPackage.kt

@@ -1,3 +1,4 @@
+// LAMBDAS: CLASS
 // IGNORE_BACKEND_K2: JVM_IR
 // TARGET_BACKEND: JVM
 // FILE: Base.java

compiler/testData/writeSignature/syntheticAccessorForGeneric.kt

@@ -1,3 +1,5 @@
+// LAMBDAS: CLASS
+
 class MyList<T> {
 
     private fun noSignature(): T? = null

compiler/tests-common/tests/org/jetbrains/kotlin/test/KotlinBaseTest.kt

@@ -9,7 +9,6 @@ import org.jetbrains.kotlin.checkers.ENABLE_JVM_PREVIEW
 import org.jetbrains.kotlin.checkers.parseLanguageVersionSettings
 import org.jetbrains.kotlin.cli.jvm.compiler.KotlinCoreEnvironment
 import org.jetbrains.kotlin.config.*
-import org.jetbrains.kotlin.config.JvmTarget.Companion.fromString
 import org.jetbrains.kotlin.test.testFramework.KtUsefulTestCase
 import org.jetbrains.kotlin.test.util.KtTestUtil
 import java.io.File
@@ -147,7 +146,7 @@ abstract class KotlinBaseTest<F : KotlinBaseTest.TestFile> : KtUsefulTestCase()
                 }
                 val targetString = directives["JVM_TARGET"]
                 if (targetString != null) {
-                    val jvmTarget = fromString(targetString)
+                    val jvmTarget = JvmTarget.fromString(targetString)
                         ?: error("Unknown target: $targetString")
                     configuration.put(JVMConfigurationKeys.JVM_TARGET, jvmTarget)
                 }
@@ -173,6 +172,13 @@ abstract class KotlinBaseTest<F : KotlinBaseTest.TestFile> : KtUsefulTestCase()
                     assert(explicitLanguageVersionSettings == null) { "Should not specify !LANGUAGE directive twice" }
                     explicitLanguageVersionSettings = fileLanguageVersionSettings
                 }
+
+                val lambdasString = directives["LAMBDAS"]
+                if (lambdasString != null) {
+                    val lambdas = JvmClosureGenerationScheme.fromString(lambdasString)
+                        ?: error("Unknown lambdas mode: $lambdasString")
+                    configuration.put(JVMConfigurationKeys.LAMBDAS, lambdas)
+                }
             }
             if (explicitLanguageVersionSettings != null) {
                 configuration.languageVersionSettings = explicitLanguageVersionSettings

plugins/android-extensions/android-extensions-compiler/testData/parcel/box/functions.kt

@@ -1,4 +1,5 @@
 // WITH_STDLIB
+// LAMBDAS: CLASS
 
 @file:JvmName("TestKt")
 package test

plugins/parcelize/parcelize-compiler/testData/box/functions.kt

@@ -1,4 +1,5 @@
 // WITH_STDLIB
+// LAMBDAS: CLASS
 
 @file:JvmName("TestKt")
 package test
@@ -21,4 +22,4 @@ fun box() = parcelTest { parcel ->
     parcelableCreator<Test>().createFromParcel(parcel)
 
     assert(test.callback() == 1)
-}
+}

plugins/parcelize/parcelize-compiler/testData/box/typeParameters.kt

@@ -1,5 +1,6 @@
 // See KT-44891, https://issuetracker.google.com/180193969
 // WITH_STDLIB
+// LAMBDAS: CLASS
 
 @file:JvmName("TestKt")
 package test