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

compiler/testData/diagnostics/tests/inference/nestedCalls/arrayAccess.fir.kt

@@ -1,11 +0,0 @@
-package b
-
-class A {
-    operator fun <T> get(i: Int): List<T> = throw Exception("$i")
-}
-
-fun bar(l: List<Int>) = l
-
-fun test(a: A) {
-    bar(a[12])
-}

compiler/testData/diagnostics/tests/inference/nestedCalls/arrayAccess.kt

@@ -1,3 +1,4 @@
+// FIR_IDENTICAL
 package b
 
 class A {

compiler/testData/diagnostics/tests/inference/nestedCalls/completeNestedCallsForArraySetExpression.fir.kt

@@ -1,8 +0,0 @@
-fun <T> foo(t: T) = t
-
-fun test(map: MutableMap<Int, Int>, t: Int) {
-    map [t] = foo(t) // t was marked with black square
-}
-
-//from library
-operator fun <K, V> MutableMap<K, V>.set(key : K, value : V) : V? = this.put(key, value)

compiler/testData/diagnostics/tests/inference/nestedCalls/completeNestedCallsForArraySetExpression.kt

@@ -1,3 +1,4 @@
+// FIR_IDENTICAL
 fun <T> foo(t: T) = t
 
 fun test(map: MutableMap<Int, Int>, t: Int) {

compiler/testData/diagnostics/tests/inference/nestedCalls/completeNestedCallsInference.fir.kt

@@ -1,19 +0,0 @@
-package a
-
-import java.util.ArrayList
-
-public fun <T> Iterable<T>.withIndices(): List<Pair<Int, T>> {
-    val answer = ArrayList<Pair<Int, T>>()
-    var nextIndex = 1
-    for (e in this) {
-        answer.add(Pair(nextIndex, e))
-        nextIndex++
-    }
-    return answer
-}
-
-//from standard library
-public class Pair<out A, out B>(
-    public val first: A,
-    public val second: B
-)

compiler/testData/diagnostics/tests/inference/nestedCalls/completeNestedCallsInference.kt

@@ -1,3 +1,4 @@
+// FIR_IDENTICAL
 package a
 
 import java.util.ArrayList

compiler/testData/diagnostics/tests/inference/nestedCalls/inferenceForNestedBinaryCall.fir.kt

@@ -1,12 +0,0 @@
-// !CHECK_TYPE
-
-package aaa
-
-infix fun <T> T.foo(t: T) = t
-
-fun <T> id(t: T) = t
-
-fun a() {
-    val i = id(2 foo 3)
-    checkSubtype<Int>(i) // i shouldn't be resolved to error element
-}

compiler/testData/diagnostics/tests/inference/nestedCalls/inferenceForNestedBinaryCall.kt

@@ -1,3 +1,4 @@
+// FIR_IDENTICAL
 // !CHECK_TYPE
 
 package aaa

compiler/testData/diagnostics/tests/inference/nestedCalls/preferArgumentToNullability.fir.kt

@@ -1,15 +0,0 @@
-// !LANGUAGE: +NewInference
-// !DIAGNOSTICS: -UNUSED_PARAMETER
-
-open class Cls
-
-abstract class In<in I>
-class SubIn : In<Cls?>()
-
-inline fun <reified T : Cls> materialize(): T? = TODO()
-
-fun <D> transform(transformer: In<D>, data: D): Unit = TODO()
-
-fun test(subIn: SubIn) {
-    transform(subIn, materialize()) // D should be inferred to Cls?, not Nothing?
-}

compiler/testData/diagnostics/tests/inference/nestedCalls/preferArgumentToNullability.kt

@@ -1,3 +1,4 @@
+// FIR_IDENTICAL
 // !LANGUAGE: +NewInference
 // !DIAGNOSTICS: -UNUSED_PARAMETER