Enable lightweight lambdas (aka invokedynamic) since 2.0

#KT-45375 Fixed
 #KT-58173 Open

libraries/kotlinx-metadata/jvm/test/kotlinx/metadata/test/MetadataSmokeTest.kt

@@ -212,7 +212,7 @@ class MetadataSmokeTest {
     fun testDisplayNameSample() {
         class A {}
 
-        val b: (Int) -> Int = fun(x: Int) = x
+        val b: (Int) -> Int = @JvmSerializableLambda fun(x: Int) = x
 
         assertEquals("Class .kotlinx/metadata/test/MetadataSmokeTest\$testDisplayNameSample\$A", displayName(A::class.java.getMetadata()))
         assertEquals("Lambda <no name provided>", displayName(b::class.java.getMetadata()))

libraries/kotlinx-metadata/jvm/test/kotlinx/metadata/test/WritersContractTest.kt

@@ -15,7 +15,7 @@ import kotlin.test.assertFailsWith
 
 class WritersContractTest {
     val classMd = WritersContractTest::class.java.getMetadata()
-    val l: () -> Unit = {}
+    val l: () -> Unit = @JvmSerializableLambda {}
     val lambdaMd = l::class.java.getMetadata()
     val fileFacadeMd = Class.forName("kotlinx.metadata.test.testdata.FileFacade").getMetadata()
     val multiFileFacadeMd = Class.forName("kotlinx.metadata.test.testdata.MultiFileClassFacade").getMetadata()

libraries/tools/kotlinp/testData/IntersectionTypeInLambdaLiteralAndDelegatedProperty.txt

@@ -53,25 +53,10 @@ package {
 }
 // IntersectionTypeInLambdaLiteralAndDelegatedPropertyKt$test$1.class
 // ------------------------------------------
-lambda {
-
-  // signature: invoke(Ljava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object;
-  local final fun kotlin/Nothing.<anonymous>(it: kotlin/Nothing): kotlin/Any
-}
+synthetic class
 // IntersectionTypeInLambdaLiteralAndDelegatedPropertyKt$test$2.class
 // ------------------------------------------
-lambda {
-
-  // signature: invoke(LInv;LInv;)LInv;
-  local final fun kotlin/Nothing.<anonymous>(it: kotlin/Nothing): Inv<out kotlin/Any>
-}
-// IntersectionTypeInLambdaLiteralAndDelegatedPropertyKt$test$d$2.class
-// ------------------------------------------
-lambda {
-
-  // signature: invoke()Ljava/lang/Object;
-  local final fun <anonymous>(): kotlin/Any
-}
+synthetic class
 // Inv.class
 // ------------------------------------------
 public final class Inv<T#0 /* T */> : kotlin/Any {

libraries/tools/kotlinp/testData/Lambda.txt

@@ -7,20 +7,6 @@ package {
 
   // module name: test-module
 }
-// LambdaKt$test$f$1.class
-// ------------------------------------------
-lambda {
-
-  // signature: invoke()V
-  local final fun <anonymous>(): kotlin/Unit
-}
-// LambdaKt$test$g$1.class
-// ------------------------------------------
-lambda {
-
-  // signature: invoke(Lkotlin/Unit;[ILjava/util/Set;)Ljava/lang/String;
-  local final fun kotlin/Unit.<no name provided>(s: kotlin/IntArray?, t: kotlin/collections/Set<kotlin/Double>): kotlin/String
-}
 // META-INF/test-module.kotlin_module
 // ------------------------------------------
 module {