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

compiler/testData/diagnostics/tests/functionAsExpression/Common.fir.kt

@@ -1,19 +0,0 @@
-// !CHECK_TYPE
-// !DIAGNOSTICS: -UNUSED_PARAMETER
-
-annotation class ann(val name: String)
-const val ok = "OK"
-
-class A
-
-val withoutName = fun () {}
-val extensionWithoutName = fun A.() {}
-
-fun withAnnotation() = @ann(ok) fun () {}
-val withReturn = fun (): Int { return 5}
-val withExpression = fun() = 5
-val funfun = fun() = fun() = 5
-
-val parentesized = (fun () {})
-val parentesizedWithType = checkSubtype<() -> Unit>((fun () {}))
-val withType = checkSubtype<() -> Unit>((fun () {}))

compiler/testData/diagnostics/tests/functionAsExpression/Common.kt

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

compiler/testData/diagnostics/tests/functionAsExpression/DifficultInferenceForParameter.fir.kt

@@ -1,7 +0,0 @@
-// !DIAGNOSTICS: -UNUSED_VARIABLE -UNUSED_PARAMETER
-
-fun <T> foo(f : (T) -> T) : T = throw Exception()
-
-fun test() {
-    val a : Int = foo(fun (x) = x)
-}

compiler/testData/diagnostics/tests/functionAsExpression/DifficultInferenceForParameter.kt

@@ -1,3 +1,4 @@
+// FIR_IDENTICAL
 // !DIAGNOSTICS: -UNUSED_VARIABLE -UNUSED_PARAMETER
 
 fun <T> foo(f : (T) -> T) : T = throw Exception()

compiler/testData/diagnostics/tests/functionAsExpression/NoOverloadError.fir.kt

@@ -1,18 +0,0 @@
-// !DIAGNOSTICS: -UNUSED_PARAMETER -UNUSED_VARIABLE
-
-val bar = fun() {}
-val bas = fun() {}
-
-fun gar(p: Any?) = fun() {}
-fun gas(p: Any?) = fun() {}
-
-fun outer() {
-    val bar = fun() {}
-    val bas = fun() {}
-
-    fun gar(p: Any?) = fun() {}
-    fun gas(p: Any?) = fun() {}
-
-    gar(fun() {})
-    gar(fun() {})
-}

compiler/testData/diagnostics/tests/functionAsExpression/NoOverloadError.kt

@@ -1,3 +1,4 @@
+// FIR_IDENTICAL
 // !DIAGNOSTICS: -UNUSED_PARAMETER -UNUSED_VARIABLE
 
 val bar = fun() {}

compiler/testData/diagnostics/tests/functionAsExpression/ReturnAndLabels.fir.kt

@@ -1,9 +0,0 @@
-// !DIAGNOSTICS: -UNUSED_VARIABLE
-
-val label_fun = label@ fun () {
-    return@label
-}
-
-val parenthesized_label_fun = (label@ fun () {
-    return@label
-})

compiler/testData/diagnostics/tests/functionAsExpression/ReturnAndLabels.kt

@@ -1,3 +1,4 @@
+// FIR_IDENTICAL
 // !DIAGNOSTICS: -UNUSED_VARIABLE
 
 val label_fun = label@ fun () {

compiler/testData/diagnostics/tests/functionAsExpression/ScopeCheck.fir.kt

@@ -1,20 +0,0 @@
-// !DIAGNOSTICS: -UNUSED_VARIABLE
-
-interface B {
-    fun b_fun() {}
-}
-
-fun test(param: String) {
-
-    val local_val = 4
-    val bar = fun B.(fun_param: Int) {
-        param.length
-        b_fun()
-        val inner_bar = local_val + fun_param
-
-        <!UNRESOLVED_REFERENCE!>bar<!>
-    }
-
-    <!UNRESOLVED_REFERENCE!>inner_bar<!>
-    <!UNRESOLVED_REFERENCE!>fun_param<!>
-}

compiler/testData/diagnostics/tests/functionAsExpression/ScopeCheck.kt

@@ -1,3 +1,4 @@
+// FIR_IDENTICAL
 // !DIAGNOSTICS: -UNUSED_VARIABLE
 
 interface B {

compiler/testData/diagnostics/tests/functionAsExpression/WithOuterGeneric.fir.kt

@@ -1,31 +0,0 @@
-// !DIAGNOSTICS: -UNUSED_PARAMETER -UNUSED_VARIABLE
-
-fun <T> parameter() = fun (t: T) = t
-fun <T> receiver() = fun T.() = this
-fun <T> returnType() = fun (): T = null!!
-
-val <T> T.fromVal: () -> T get() = fun (): T = this@fromVal
-
-fun devNull(a: Any?){}
-
-fun <O> outer() {
-    fun <T> parameter() = fun (t: T) = t
-    fun <T> receiver() = fun T.() = this
-    fun <T> returnType() = fun (): T = null!!
-
-    devNull(fun (t: O) = t)
-    devNull(fun O.() = this)
-    devNull(fun (): O = null!!)
-}
-
-class Outer<O> {
-    fun <T> parameter() = fun (t: T) = t
-    fun <T> receiver() = fun T.() = this
-    fun <T> returnType() = fun (): T = null!!
-
-    init {
-        devNull(fun (t: O) = t)
-        devNull(fun O.() = this)
-        devNull(fun (): O = null!!)
-    }
-}

compiler/testData/diagnostics/tests/functionAsExpression/WithOuterGeneric.kt

@@ -1,3 +1,4 @@
+// FIR_IDENTICAL
 // !DIAGNOSTICS: -UNUSED_PARAMETER -UNUSED_VARIABLE
 
 fun <T> parameter() = fun (t: T) = t