FIR: Mark a pack of tests (53) as FIR_IDENTICAL

compiler/testData/diagnostics/tests/functionLiterals/LabeledFunctionLiterals.fir.kt

@@ -1,15 +0,0 @@
-package h
-
-//traits to make ambiguity with function literal as an argument
-interface A
-interface B
-interface C: A, B
-
-fun <T> foo(a: A, f: () -> T): T = f()
-fun <T> foo(b: B, f: () -> T): T = f()
-
-fun test(c: C) {
-    <!OVERLOAD_RESOLUTION_AMBIGUITY!>foo<!>(c) f@ {
-        c<!UNNECESSARY_NOT_NULL_ASSERTION!>!!<!>
-    }
-}

compiler/testData/diagnostics/tests/functionLiterals/LabeledFunctionLiterals.kt

@@ -1,3 +1,4 @@
+// FIR_IDENTICAL
 package h
 
 //traits to make ambiguity with function literal as an argument

compiler/testData/diagnostics/tests/functionLiterals/return/NoCommonSystem.fir.kt

@@ -1,18 +0,0 @@
-fun <T, R> Iterable<T>.map(transform: (T) -> R): List<R> = null!!
-fun <T> listOf(): List<T> = null!!
-fun <T> listOf(vararg values: T): List<T> = null!!
-
-fun commonSystemFailed(a: List<Int>) {
-    a.map {
-        if (it == 0) return@map listOf(it)
-        listOf()
-    }
-    a.map {
-        if (it == 0) return@map listOf()
-        listOf(it)
-    }
-    a.map {
-        if (it == 0) listOf()
-        else listOf(it)
-    }
-}

compiler/testData/diagnostics/tests/functionLiterals/return/NoCommonSystem.kt

@@ -1,3 +1,4 @@
+// FIR_IDENTICAL
 fun <T, R> Iterable<T>.map(transform: (T) -> R): List<R> = null!!
 fun <T> listOf(): List<T> = null!!
 fun <T> listOf(vararg values: T): List<T> = null!!

compiler/testData/diagnostics/tests/functionLiterals/returnNullWithReturn.fir.kt

@@ -1,10 +0,0 @@
-package m
-
-interface Element
-
-fun test(handlers: Map<String, Element.()->Unit>) {
-
-    handlers.getOrElse("name", l@ { return@l null })
-}
-
-fun <K,V> Map<K,V>.getOrElse(key: K, defaultValue: ()-> V) : V = throw Exception("$key $defaultValue")

compiler/testData/diagnostics/tests/functionLiterals/returnNullWithReturn.kt

@@ -1,3 +1,4 @@
+// FIR_IDENTICAL
 package m
 
 interface Element