PSI2IR KT-49526 function reference type approximation hack

compiler/testData/ir/irText/types/kt49526.fir.ir.txt

@@ -0,0 +1,15 @@
+FILE fqName:<root> fileName:/kt49526.kt
+  FUN name:test visibility:public modality:FINAL <> () returnType:kotlin.Boolean
+    BLOCK_BODY
+      VAR name:ref type:kotlin.reflect.KFunction1<kotlin.Nothing, kotlin.Boolean> [val]
+        FUNCTION_REFERENCE 'public abstract fun contains (element: E of kotlin.collections.List): kotlin.Boolean [operator] declared in kotlin.collections.List' type=kotlin.reflect.KFunction1<kotlin.Nothing, kotlin.Boolean> origin=null reflectionTarget=<same>
+          $this: CALL 'public final fun plus <T> (element: T of kotlin.collections.CollectionsKt.plus): kotlin.collections.List<T of kotlin.collections.CollectionsKt.plus> [operator] declared in kotlin.collections.CollectionsKt' type=kotlin.collections.List<kotlin.Any> origin=PLUS
+            <T>: kotlin.Comparable<kotlin.Nothing>
+            $receiver: CALL 'public final fun listOf <T> (element: T of kotlin.collections.CollectionsKt.listOf): kotlin.collections.List<T of kotlin.collections.CollectionsKt.listOf> declared in kotlin.collections.CollectionsKt' type=kotlin.collections.List<kotlin.Char> origin=null
+              <T>: kotlin.Char
+              element: CONST Char type=kotlin.Char value='a'
+            element: CONST String type=kotlin.String value="-"
+      RETURN type=kotlin.Nothing from='public final fun test (): kotlin.Boolean declared in <root>'
+        CALL 'public abstract fun invoke (p1: P1 of kotlin.reflect.KFunction1): R of kotlin.reflect.KFunction1 [operator] declared in kotlin.reflect.KFunction1' type=kotlin.Boolean origin=INVOKE
+          $this: GET_VAR 'val ref: kotlin.reflect.KFunction1<kotlin.Nothing, kotlin.Boolean> [val] declared in <root>.test' type=kotlin.reflect.KFunction1<kotlin.Nothing, kotlin.Boolean> origin=VARIABLE_AS_FUNCTION
+          p1: CONST Char type=kotlin.Char value='a'

compiler/testData/ir/irText/types/kt49526.ir.txt

@@ -0,0 +1,15 @@
+FILE fqName:<root> fileName:/kt49526.kt
+  FUN name:test visibility:public modality:FINAL <> () returnType:kotlin.Boolean
+    BLOCK_BODY
+      VAR name:ref type:kotlin.reflect.KFunction1<kotlin.Nothing, kotlin.Boolean> [val]
+        FUNCTION_REFERENCE 'public abstract fun contains (element: E of kotlin.collections.List): kotlin.Boolean [operator] declared in kotlin.collections.List' type=kotlin.reflect.KFunction1<kotlin.Any, kotlin.Boolean> origin=null reflectionTarget=<same>
+          $this: CALL 'public final fun plus <T> (element: T of kotlin.collections.CollectionsKt.plus): kotlin.collections.List<T of kotlin.collections.CollectionsKt.plus> [operator] declared in kotlin.collections.CollectionsKt' type=kotlin.collections.List<kotlin.Any> origin=PLUS
+            <T>: kotlin.Any
+            $receiver: CALL 'public final fun listOf <T> (element: T of kotlin.collections.CollectionsKt.listOf): kotlin.collections.List<T of kotlin.collections.CollectionsKt.listOf> declared in kotlin.collections.CollectionsKt' type=kotlin.collections.List<kotlin.Char> origin=null
+              <T>: kotlin.Char
+              element: CONST Char type=kotlin.Char value='a'
+            element: CONST String type=kotlin.String value="-"
+      RETURN type=kotlin.Nothing from='public final fun test (): kotlin.Boolean declared in <root>'
+        CALL 'public abstract fun invoke (p1: P1 of kotlin.reflect.KFunction1): R of kotlin.reflect.KFunction1 [fake_override,operator] declared in kotlin.reflect.KFunction1' type=kotlin.Boolean origin=INVOKE
+          $this: GET_VAR 'val ref: kotlin.reflect.KFunction1<kotlin.Nothing, kotlin.Boolean> [val] declared in <root>.test' type=kotlin.reflect.KFunction1<kotlin.Nothing, kotlin.Boolean> origin=VARIABLE_AS_FUNCTION
+          p1: CONST Char type=kotlin.Char value='a'

compiler/testData/ir/irText/types/kt49526.kt

@@ -0,0 +1,7 @@
+// WITH_STDLIB
+// SKIP_KT_DUMP
+
+fun test(): Boolean {
+    val ref = (listOf('a') + "-")::contains
+    return ref('a')
+}