FIR2IR: fix assertion in getIrFunctionSymbol (anonymous function case)

compiler/fir/fir2ir/src/org/jetbrains/kotlin/fir/backend/Fir2IrDeclarationStorage.kt

@@ -407,7 +407,11 @@ class Fir2IrDeclarationStorage(
         return created
     }
 
-    fun getIrLocalFunction(function: FirAnonymousFunction): IrSimpleFunction {
+    fun getIrLocalFunction(
+        function: FirAnonymousFunction,
+        irParent: IrDeclarationParent? = null,
+        shouldLeaveScope: Boolean = false
+    ): IrSimpleFunction {
         val descriptor = WrappedSimpleFunctionDescriptor()
         val isLambda = function.psi is KtFunctionLiteral
         val origin = if (isLambda) IrDeclarationOrigin.LOCAL_FUNCTION_FOR_LAMBDA else IrDeclarationOrigin.DEFINED
@@ -426,7 +430,7 @@ class Fir2IrDeclarationStorage(
                     isOperator = false
                 )
             }.bindAndDeclareParameters(
-                function, descriptor, irParent = null, isStatic = false, shouldLeaveScope = false
+                function, descriptor, irParent = irParent, isStatic = false, shouldLeaveScope = shouldLeaveScope
             )
         }
     }
@@ -674,13 +678,19 @@ class Fir2IrDeclarationStorage(
                 }
                 irSymbolTable.referenceSimpleFunction(irDeclaration.descriptor)
             }
+            is FirAnonymousFunction -> {
+                val irDeclaration = getIrLocalFunction(firDeclaration, irParent, shouldLeaveScope = true).apply {
+                    setAndModifyParent(irParent)
+                }
+                irSymbolTable.referenceSimpleFunction(irDeclaration.descriptor)
+            }
             is FirConstructor -> {
                 val irDeclaration = getIrConstructor(firDeclaration, irParent, shouldLeaveScope = true).apply {
                     setAndModifyParent(irParent)
                 }
                 irSymbolTable.referenceConstructor(irDeclaration.descriptor)
             }
-            else -> throw AssertionError("Should not be here")
+            else -> throw AssertionError("Should not be here: ${firDeclaration::class.java}: ${firDeclaration.render()}")
         }
     }
 

compiler/testData/ir/irText/lambdas/extensionLambda.fir.txt

@@ -10,4 +10,4 @@ FILE fqName:<root> fileName:/extensionLambda.kt
             FUN LOCAL_FUNCTION_FOR_LAMBDA name:<anonymous> visibility:local modality:FINAL <> () returnType:kotlin.Int
               BLOCK_BODY
                 CALL 'public open fun <get-length> (): kotlin.Int declared in kotlin.String' type=kotlin.Int origin=null
-                  $this: GET_VAR '<this>: kotlin.String declared in kotlin.String' type=kotlin.String origin=null
+                  $this: ERROR_CALL 'Unresolved reference: this@R|special/anonymous|' type=kotlin.String

compiler/testData/ir/irText/lambdas/multipleImplicitReceivers.fir.txt

@@ -106,4 +106,4 @@ FILE fqName:<root> fileName:/multipleImplicitReceivers.kt
                           FUN LOCAL_FUNCTION_FOR_LAMBDA name:<anonymous> visibility:local modality:FINAL <> () returnType:kotlin.Int
                             BLOCK_BODY
                               CALL 'public open fun invoke (): kotlin.Int [operator] declared in <root>.IInvoke' type=kotlin.Int origin=null
-                                $this: GET_VAR '<this>: <root>.IInvoke declared in <root>.IInvoke' type=<root>.IInvoke origin=null
+                                $this: ERROR_CALL 'Unresolved reference: this@R|special/anonymous|' type=<root>.IInvoke

compiler/testData/ir/irText/stubs/builtinMap.fir.txt

@@ -26,7 +26,7 @@ FILE fqName:<root> fileName:/builtinMap.kt
                 FUN LOCAL_FUNCTION_FOR_LAMBDA name:<anonymous> visibility:local modality:FINAL <> () returnType:kotlin.Unit
                   BLOCK_BODY
                     CALL 'public open fun put (p0: K1 of <root>.plus, p1: V1 of <root>.plus): V1 of <root>.plus? [operator] declared in java.util.HashMap' type=V1 of <root>.plus? origin=null
-                      $this: GET_VAR '<this>: java.util.HashMap declared in java.util.HashMap' type=java.util.HashMap<*, *> origin=null
+                      $this: ERROR_CALL 'Unresolved reference: this@R|special/anonymous|' type=java.util.LinkedHashMap<K1 of <root>.plus, V1 of <root>.plus>
                       p0: CALL 'public final fun <get-first> (): K1 of <root>.plus declared in kotlin.Pair' type=K1 of <root>.plus origin=null
                         $this: GET_VAR 'pair: kotlin.Pair<K1 of <root>.plus, V1 of <root>.plus> declared in <root>.plus' type=kotlin.Pair<K1 of <root>.plus, V1 of <root>.plus> origin=null
                       p1: CALL 'public final fun <get-second> (): V1 of <root>.plus declared in kotlin.Pair' type=V1 of <root>.plus origin=null