Introduce FIR_IDENTICAL for FIR vs old frontend tests #KT-36879 Fixed

compiler/testData/diagnostics/tests/classLiteral/classAndObjectLiteralType.fir.kt

@@ -1,16 +0,0 @@
-import kotlin.reflect.KClass
-
-abstract class Base<T : Any>(val klass: KClass<out T>)
-
-class DerivedClass : Base<DerivedClass>(DerivedClass::class)
-
-object DerivedObject : Base<DerivedObject>(DerivedObject::class)
-
-enum class TestEnum {
-    TEST_ENTRY
-}
-
-val test1: KClass<DerivedClass> = DerivedClass::class
-val test2: KClass<DerivedObject> = DerivedObject::class
-val test3: KClass<TestEnum> = TestEnum::class
-val test4: KClass<out TestEnum> = TestEnum.TEST_ENTRY::class

compiler/testData/diagnostics/tests/classLiteral/classAndObjectLiteralType.kt

@@ -1,3 +1,4 @@
+// FIR_IDENTICAL
 import kotlin.reflect.KClass
 
 abstract class Base<T : Any>(val klass: KClass<out T>)

compiler/testData/diagnostics/tests/classLiteral/qualifiedClassLiteral.fir.kt

@@ -1,7 +0,0 @@
-package test.foo.bar
-
-class A
-
-val k = test.foo.bar.A::class
-
-val l = java.lang.Class::class

compiler/testData/diagnostics/tests/classLiteral/qualifiedClassLiteral.kt

@@ -1,3 +1,4 @@
+// FIR_IDENTICAL
 package test.foo.bar
 
 class A

compiler/testData/diagnostics/tests/classLiteral/simpleClassLiteral.fir.kt

@@ -1,3 +0,0 @@
-class A
-
-val k = A::class

compiler/testData/diagnostics/tests/classLiteral/simpleClassLiteral.kt

@@ -1,3 +1,4 @@
+// FIR_IDENTICAL
 class A
 
 val k = A::class