Move out jvm-specific part from ir-common

#KT-27005 Fixed

compiler/ir/backend.jvm/src/org/jetbrains/kotlin/backend/jvm/JvmLower.kt

@@ -23,12 +23,18 @@ import org.jetbrains.kotlin.descriptors.DeclarationDescriptor
 import org.jetbrains.kotlin.descriptors.Visibilities
 import org.jetbrains.kotlin.ir.declarations.IrFile
 import org.jetbrains.kotlin.ir.util.PatchDeclarationParentsVisitor
+import org.jetbrains.kotlin.ir.util.TypeTranslator
 import org.jetbrains.kotlin.ir.visitors.acceptVoid
 import org.jetbrains.kotlin.name.NameUtils
 
 class JvmLower(val context: JvmBackendContext) {
     fun lower(irFile: IrFile) {
         // TODO run lowering passes as callbacks in bottom-up visitor
+        JvmCoercionToUnitPatcher(
+            context.builtIns,
+            context.irBuiltIns,
+            TypeTranslator(context.ir.symbols.externalSymbolTable, context.state.languageVersionSettings)
+        ).lower(irFile)
         FileClassLowering(context).lower(irFile)
         KCallableNamePropertyLowering(context).lower(irFile)
 

compiler/ir/backend.jvm/src/org/jetbrains/kotlin/backend/jvm/lower/JvmCoercionToUnitPatcher.kt

@@ -0,0 +1,32 @@
+/*
+ * Copyright 2010-2018 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license
+ * that can be found in the license/LICENSE.txt file.
+ */
+
+package org.jetbrains.kotlin.backend.jvm.lower
+
+import org.jetbrains.kotlin.backend.common.FileLoweringPass
+import org.jetbrains.kotlin.builtins.KotlinBuiltIns
+import org.jetbrains.kotlin.ir.declarations.IrFile
+import org.jetbrains.kotlin.ir.descriptors.IrBuiltIns
+import org.jetbrains.kotlin.ir.expressions.IrCall
+import org.jetbrains.kotlin.ir.expressions.IrExpression
+import org.jetbrains.kotlin.ir.util.TypeTranslator
+import org.jetbrains.kotlin.ir.visitors.transformChildrenVoid
+import org.jetbrains.kotlin.psi2ir.transformations.InsertImplicitCasts
+
+class JvmCoercionToUnitPatcher(builtIns: KotlinBuiltIns, irBuiltIns: IrBuiltIns, typeTranslator: TypeTranslator) :
+    InsertImplicitCasts(builtIns, irBuiltIns, typeTranslator), FileLoweringPass {
+
+    override fun lower(irFile: IrFile) {
+        irFile.transformChildrenVoid(this)
+    }
+
+    override fun IrExpression.coerceToUnit(): IrExpression {
+        if (isUnitSubtype(getKotlinType(this)) && this is IrCall) {
+            return coerceToUnitIfNeeded(this.symbol.descriptor.original.returnType!!)
+        }
+
+        return this
+    }
+}

compiler/ir/ir.psi2ir/src/org/jetbrains/kotlin/psi2ir/transformations/InsertImplicitCasts.kt

@@ -23,11 +23,13 @@ import org.jetbrains.kotlin.ir.declarations.IrClass
 import org.jetbrains.kotlin.ir.declarations.IrField
 import org.jetbrains.kotlin.ir.declarations.IrFunction
 import org.jetbrains.kotlin.ir.declarations.IrVariable
+import org.jetbrains.kotlin.ir.descriptors.IrBuiltIns
 import org.jetbrains.kotlin.ir.expressions.*
 import org.jetbrains.kotlin.ir.expressions.impl.IrTypeOperatorCallImpl
 import org.jetbrains.kotlin.ir.types.IrType
 import org.jetbrains.kotlin.ir.types.classifierOrFail
 import org.jetbrains.kotlin.ir.types.impl.originalKotlinType
+import org.jetbrains.kotlin.ir.util.TypeTranslator
 import org.jetbrains.kotlin.ir.visitors.IrElementTransformerVoid
 import org.jetbrains.kotlin.psi2ir.containsNull
 import org.jetbrains.kotlin.psi2ir.generators.GeneratorContext
@@ -40,15 +42,15 @@ import org.jetbrains.kotlin.types.typeUtil.makeNullable
 import org.jetbrains.kotlin.types.upperIfFlexible
 
 fun insertImplicitCasts(element: IrElement, context: GeneratorContext) {
-    element.transformChildren(InsertImplicitCasts(context), null)
+    element.transformChildren(InsertImplicitCasts(context.builtIns, context.irBuiltIns, context.typeTranslator), null)
 }
 
-class InsertImplicitCasts(context: GeneratorContext) : IrElementTransformerVoid() {
+open class InsertImplicitCasts(
+    private val builtIns: KotlinBuiltIns,
+    private val irBuiltIns: IrBuiltIns,
+    private val typeTranslator: TypeTranslator
+) : IrElementTransformerVoid() {
 
-    private val builtIns = context.builtIns
-    private val irBuiltIns = context.irBuiltIns
-
-    private val typeTranslator = context.typeTranslator
     private fun KotlinType.toIrType() = typeTranslator.translateType(this)
 
     override fun visitCallableReference(expression: IrCallableReference): IrExpression =
@@ -232,10 +234,16 @@ class InsertImplicitCasts(context: GeneratorContext) : IrElementTransformerVoid(
         )
     }
 
-    private fun IrExpression.coerceToUnit(): IrExpression {
+    protected open fun IrExpression.coerceToUnit(): IrExpression {
         val valueType = getKotlinType(this)
+        return coerceToUnitIfNeeded(valueType)
+    }
 
-        return if (KotlinTypeChecker.DEFAULT.isSubtypeOf(valueType, builtIns.unitType))
+    protected fun getKotlinType(irExpression: IrExpression) =
+        irExpression.type.originalKotlinType!!
+
+    protected fun IrExpression.coerceToUnitIfNeeded(valueType: KotlinType): IrExpression {
+        return if (isUnitSubtype(valueType))
             this
         else
             IrTypeOperatorCallImpl(
@@ -247,10 +255,8 @@ class InsertImplicitCasts(context: GeneratorContext) : IrElementTransformerVoid(
             )
     }
 
-    private fun getKotlinType(irExpression: IrExpression) =
-        if (irExpression is IrCall)
-            irExpression.symbol.descriptor.original.returnType!!
-        else irExpression.type.originalKotlinType!!
+    protected fun isUnitSubtype(valueType: KotlinType) =
+        KotlinTypeChecker.DEFAULT.isSubtypeOf(valueType, builtIns.unitType)
 
     private fun KotlinType.isBuiltInIntegerType(): Boolean =
         KotlinBuiltIns.isByte(this) ||

compiler/testData/ir/irText/declarations/kt27005.kt

@@ -0,0 +1,5 @@
+suspend fun foo() = baz<Unit>()
+suspend fun bar() = baz<Any>()
+suspend fun <T> baz(): T {
+    TODO()
+}

compiler/testData/ir/irText/declarations/kt27005.txt

@@ -0,0 +1,15 @@
+FILE fqName:<root> fileName:/kt27005.kt
+  FUN name:foo visibility:public modality:FINAL <> () returnType:kotlin.Unit flags:suspend
+    BLOCK_BODY
+      RETURN type=kotlin.Nothing from='foo(): Unit'
+        CALL 'baz(): Unit' type=kotlin.Unit origin=null
+          <T>: kotlin.Unit
+  FUN name:bar visibility:public modality:FINAL <> () returnType:kotlin.Any flags:suspend
+    BLOCK_BODY
+      RETURN type=kotlin.Nothing from='bar(): Any'
+        CALL 'baz(): Any' type=kotlin.Any origin=null
+          <T>: kotlin.Any
+  FUN name:baz visibility:public modality:FINAL <T> () returnType:T flags:suspend
+    TYPE_PARAMETER name:T index:0 variance: superTypes:[kotlin.Any?]
+    BLOCK_BODY
+      CALL 'TODO(): Nothing' type=kotlin.Nothing origin=null

compiler/testData/ir/irText/expressions/catchParameterAccess.txt

@@ -5,10 +5,8 @@ FILE fqName:<root> fileName:/catchParameterAccess.kt
       RETURN type=kotlin.Nothing from='test(() -> Unit): Unit'
         TRY type=kotlin.Unit
           try: BLOCK type=kotlin.Unit origin=null
-            TYPE_OP type=kotlin.Unit origin=IMPLICIT_COERCION_TO_UNIT typeOperand=kotlin.Unit
-              typeOperand: CLASS IR_EXTERNAL_DECLARATION_STUB OBJECT name:Unit modality:FINAL visibility:public flags: superTypes:[kotlin.Any]
-              CALL 'invoke(): Unit' type=kotlin.Unit origin=INVOKE
-                $this: GET_VAR 'value-parameter f: () -> Unit' type=() -> kotlin.Unit origin=VARIABLE_AS_FUNCTION
+            CALL 'invoke(): Unit' type=kotlin.Unit origin=INVOKE
+              $this: GET_VAR 'value-parameter f: () -> Unit' type=() -> kotlin.Unit origin=VARIABLE_AS_FUNCTION
           CATCH parameter=e: Exception /* = Exception */
             VAR CATCH_PARAMETER name:e type:kotlin.Exception /* = java.lang.Exception */ flags:val
             BLOCK type=kotlin.Nothing origin=null

compiler/testData/ir/irText/expressions/extFunInvokeAsFun.txt

@@ -4,19 +4,15 @@ FILE fqName:<root> fileName:/extFunInvokeAsFun.kt
     VALUE_PARAMETER name:block index:1 type:kotlin.Any?.() -> kotlin.Unit flags:
     BLOCK_BODY
       RETURN type=kotlin.Nothing from='with1(Any?, Any?.() -> Unit): Unit'
-        TYPE_OP type=kotlin.Unit origin=IMPLICIT_COERCION_TO_UNIT typeOperand=kotlin.Unit
-          typeOperand: CLASS IR_EXTERNAL_DECLARATION_STUB OBJECT name:Unit modality:FINAL visibility:public flags: superTypes:[kotlin.Any]
-          CALL 'invoke(Any?): Unit' type=kotlin.Unit origin=INVOKE
-            $this: GET_VAR 'value-parameter block: Any?.() -> Unit' type=kotlin.Any?.() -> kotlin.Unit origin=VARIABLE_AS_FUNCTION
-            p1: GET_VAR 'value-parameter receiver: Any?' type=kotlin.Any? origin=null
+        CALL 'invoke(Any?): Unit' type=kotlin.Unit origin=INVOKE
+          $this: GET_VAR 'value-parameter block: Any?.() -> Unit' type=kotlin.Any?.() -> kotlin.Unit origin=VARIABLE_AS_FUNCTION
+          p1: GET_VAR 'value-parameter receiver: Any?' type=kotlin.Any? origin=null
   FUN name:with2 visibility:public modality:FINAL <> (receiver:kotlin.Any?, block:kotlin.Any?.() -> kotlin.Unit) returnType:kotlin.Unit flags:
     VALUE_PARAMETER name:receiver index:0 type:kotlin.Any? flags:
     VALUE_PARAMETER name:block index:1 type:kotlin.Any?.() -> kotlin.Unit flags:
     BLOCK_BODY
       RETURN type=kotlin.Nothing from='with2(Any?, Any?.() -> Unit): Unit'
-        TYPE_OP type=kotlin.Unit origin=IMPLICIT_COERCION_TO_UNIT typeOperand=kotlin.Unit
-          typeOperand: CLASS IR_EXTERNAL_DECLARATION_STUB OBJECT name:Unit modality:FINAL visibility:public flags: superTypes:[kotlin.Any]
-          CALL 'invoke(Any?): Unit' type=kotlin.Unit origin=INVOKE
-            $this: GET_VAR 'value-parameter block: Any?.() -> Unit' type=kotlin.Any?.() -> kotlin.Unit origin=VARIABLE_AS_FUNCTION
-            p1: GET_VAR 'value-parameter receiver: Any?' type=kotlin.Any? origin=null
+        CALL 'invoke(Any?): Unit' type=kotlin.Unit origin=INVOKE
+          $this: GET_VAR 'value-parameter block: Any?.() -> Unit' type=kotlin.Any?.() -> kotlin.Unit origin=VARIABLE_AS_FUNCTION
+          p1: GET_VAR 'value-parameter receiver: Any?' type=kotlin.Any? origin=null
 

compiler/testData/ir/irText/expressions/implicitCastToNonNull.txt

@@ -74,9 +74,7 @@ FILE fqName:<root> fileName:/implicitCastToNonNull.kt
             arg0: CALL 'EQEQ(Any?, Any?): Boolean' type=kotlin.Boolean origin=EXCLEQ
               arg0: GET_VAR 'value-parameter x: T' type=T origin=null
               arg1: CONST Null type=kotlin.Nothing? value=null
-          then: TYPE_OP type=kotlin.Unit origin=IMPLICIT_COERCION_TO_UNIT typeOperand=kotlin.Unit
-            typeOperand: CLASS IR_EXTERNAL_DECLARATION_STUB OBJECT name:Unit modality:FINAL visibility:public flags: superTypes:[kotlin.Any]
-            CALL 'invoke(S): Unit' type=kotlin.Unit origin=INVOKE
-              $this: GET_VAR 'value-parameter fn: (S) -> Unit' type=(S) -> kotlin.Unit origin=VARIABLE_AS_FUNCTION
-              p1: GET_VAR 'value-parameter x: T' type=T origin=null
+          then: CALL 'invoke(S): Unit' type=kotlin.Unit origin=INVOKE
+            $this: GET_VAR 'value-parameter fn: (S) -> Unit' type=(S) -> kotlin.Unit origin=VARIABLE_AS_FUNCTION
+            p1: GET_VAR 'value-parameter x: T' type=T origin=null
 

compiler/testData/ir/irText/expressions/variableAsFunctionCall.txt

@@ -13,19 +13,15 @@ FILE fqName:<root> fileName:/variableAsFunctionCall.kt
     VALUE_PARAMETER name:f index:0 type:() -> kotlin.Unit flags:
     BLOCK_BODY
       RETURN type=kotlin.Nothing from='test1(() -> Unit): Unit'
-        TYPE_OP type=kotlin.Unit origin=IMPLICIT_COERCION_TO_UNIT typeOperand=kotlin.Unit
-          typeOperand: CLASS IR_EXTERNAL_DECLARATION_STUB OBJECT name:Unit modality:FINAL visibility:public flags: superTypes:[kotlin.Any]
-          CALL 'invoke(): Unit' type=kotlin.Unit origin=INVOKE
-            $this: GET_VAR 'value-parameter f: () -> Unit' type=() -> kotlin.Unit origin=VARIABLE_AS_FUNCTION
+        CALL 'invoke(): Unit' type=kotlin.Unit origin=INVOKE
+          $this: GET_VAR 'value-parameter f: () -> Unit' type=() -> kotlin.Unit origin=VARIABLE_AS_FUNCTION
   FUN name:test2 visibility:public modality:FINAL <> (f:kotlin.String.() -> kotlin.Unit) returnType:kotlin.Unit flags:
     VALUE_PARAMETER name:f index:0 type:kotlin.String.() -> kotlin.Unit flags:
     BLOCK_BODY
       RETURN type=kotlin.Nothing from='test2(String.() -> Unit): Unit'
-        TYPE_OP type=kotlin.Unit origin=IMPLICIT_COERCION_TO_UNIT typeOperand=kotlin.Unit
-          typeOperand: CLASS IR_EXTERNAL_DECLARATION_STUB OBJECT name:Unit modality:FINAL visibility:public flags: superTypes:[kotlin.Any]
-          CALL 'invoke(String): Unit' type=kotlin.Unit origin=INVOKE
-            $this: GET_VAR 'value-parameter f: String.() -> Unit' type=kotlin.String.() -> kotlin.Unit origin=VARIABLE_AS_FUNCTION
-            p1: CONST String type=kotlin.String value=hello
+        CALL 'invoke(String): Unit' type=kotlin.Unit origin=INVOKE
+          $this: GET_VAR 'value-parameter f: String.() -> Unit' type=kotlin.String.() -> kotlin.Unit origin=VARIABLE_AS_FUNCTION
+          p1: CONST String type=kotlin.String value=hello
   FUN name:test3 visibility:public modality:FINAL <> () returnType:kotlin.String flags:
     BLOCK_BODY
       RETURN type=kotlin.Nothing from='test3(): String'

compiler/testData/ir/irText/lambdas/nonLocalReturn.txt

@@ -1,61 +1,51 @@
 FILE fqName:<root> fileName:/nonLocalReturn.kt
   FUN name:test0 visibility:public modality:FINAL <> () returnType:kotlin.Unit flags:
     BLOCK_BODY
-      TYPE_OP type=kotlin.Unit origin=IMPLICIT_COERCION_TO_UNIT typeOperand=kotlin.Unit
-        typeOperand: CLASS IR_EXTERNAL_DECLARATION_STUB OBJECT name:Unit modality:FINAL visibility:public flags: superTypes:[kotlin.Any]
-        CALL 'run(() -> Nothing): Nothing' type=kotlin.Nothing origin=null
-          <R>: kotlin.Nothing
-          block: BLOCK type=() -> kotlin.Nothing origin=LAMBDA
-            FUN LOCAL_FUNCTION_FOR_LAMBDA name:<anonymous> visibility:local modality:FINAL <> () returnType:kotlin.Nothing flags:
-              BLOCK_BODY
-                RETURN type=kotlin.Nothing from='test0(): Unit'
-                  GET_OBJECT 'Unit' type=kotlin.Unit
-            FUNCTION_REFERENCE '<anonymous>(): Nothing' type=() -> kotlin.Nothing origin=LAMBDA
+      CALL 'run(() -> Nothing): Nothing' type=kotlin.Nothing origin=null
+        <R>: kotlin.Nothing
+        block: BLOCK type=() -> kotlin.Nothing origin=LAMBDA
+          FUN LOCAL_FUNCTION_FOR_LAMBDA name:<anonymous> visibility:local modality:FINAL <> () returnType:kotlin.Nothing flags:
+            BLOCK_BODY
+              RETURN type=kotlin.Nothing from='test0(): Unit'
+                GET_OBJECT 'Unit' type=kotlin.Unit
+          FUNCTION_REFERENCE '<anonymous>(): Nothing' type=() -> kotlin.Nothing origin=LAMBDA
   FUN name:test1 visibility:public modality:FINAL <> () returnType:kotlin.Unit flags:
     BLOCK_BODY
-      TYPE_OP type=kotlin.Unit origin=IMPLICIT_COERCION_TO_UNIT typeOperand=kotlin.Unit
-        typeOperand: CLASS IR_EXTERNAL_DECLARATION_STUB OBJECT name:Unit modality:FINAL visibility:public flags: superTypes:[kotlin.Any]
-        CALL 'run(() -> Unit): Unit' type=kotlin.Unit origin=null
-          <R>: kotlin.Unit
-          block: BLOCK type=() -> kotlin.Unit origin=LAMBDA
-            FUN LOCAL_FUNCTION_FOR_LAMBDA name:<anonymous> visibility:local modality:FINAL <> () returnType:kotlin.Unit flags:
-              BLOCK_BODY
-                RETURN type=kotlin.Nothing from='<anonymous>(): Unit'
-                  GET_OBJECT 'Unit' type=kotlin.Unit
-            FUNCTION_REFERENCE '<anonymous>(): Unit' type=() -> kotlin.Unit origin=LAMBDA
+      CALL 'run(() -> Unit): Unit' type=kotlin.Unit origin=null
+        <R>: kotlin.Unit
+        block: BLOCK type=() -> kotlin.Unit origin=LAMBDA
+          FUN LOCAL_FUNCTION_FOR_LAMBDA name:<anonymous> visibility:local modality:FINAL <> () returnType:kotlin.Unit flags:
+            BLOCK_BODY
+              RETURN type=kotlin.Nothing from='<anonymous>(): Unit'
+                GET_OBJECT 'Unit' type=kotlin.Unit
+          FUNCTION_REFERENCE '<anonymous>(): Unit' type=() -> kotlin.Unit origin=LAMBDA
   FUN name:test2 visibility:public modality:FINAL <> () returnType:kotlin.Unit flags:
     BLOCK_BODY
-      TYPE_OP type=kotlin.Unit origin=IMPLICIT_COERCION_TO_UNIT typeOperand=kotlin.Unit
-        typeOperand: CLASS IR_EXTERNAL_DECLARATION_STUB OBJECT name:Unit modality:FINAL visibility:public flags: superTypes:[kotlin.Any]
-        CALL 'run(() -> Unit): Unit' type=kotlin.Unit origin=null
-          <R>: kotlin.Unit
-          block: BLOCK type=() -> kotlin.Unit origin=LAMBDA
-            FUN LOCAL_FUNCTION_FOR_LAMBDA name:<anonymous> visibility:local modality:FINAL <> () returnType:kotlin.Unit flags:
-              BLOCK_BODY
-                RETURN type=kotlin.Nothing from='<anonymous>(): Unit'
-                  GET_OBJECT 'Unit' type=kotlin.Unit
-            FUNCTION_REFERENCE '<anonymous>(): Unit' type=() -> kotlin.Unit origin=LAMBDA
+      CALL 'run(() -> Unit): Unit' type=kotlin.Unit origin=null
+        <R>: kotlin.Unit
+        block: BLOCK type=() -> kotlin.Unit origin=LAMBDA
+          FUN LOCAL_FUNCTION_FOR_LAMBDA name:<anonymous> visibility:local modality:FINAL <> () returnType:kotlin.Unit flags:
+            BLOCK_BODY
+              RETURN type=kotlin.Nothing from='<anonymous>(): Unit'
+                GET_OBJECT 'Unit' type=kotlin.Unit
+          FUNCTION_REFERENCE '<anonymous>(): Unit' type=() -> kotlin.Unit origin=LAMBDA
   FUN name:test3 visibility:public modality:FINAL <> () returnType:kotlin.Unit flags:
     BLOCK_BODY
-      TYPE_OP type=kotlin.Unit origin=IMPLICIT_COERCION_TO_UNIT typeOperand=kotlin.Unit
-        typeOperand: CLASS IR_EXTERNAL_DECLARATION_STUB OBJECT name:Unit modality:FINAL visibility:public flags: superTypes:[kotlin.Any]
-        CALL 'run(() -> Unit): Unit' type=kotlin.Unit origin=null
-          <R>: kotlin.Unit
-          block: BLOCK type=() -> kotlin.Unit origin=LAMBDA
-            FUN LOCAL_FUNCTION_FOR_LAMBDA name:<anonymous> visibility:local modality:FINAL <> () returnType:kotlin.Unit flags:
-              BLOCK_BODY
-                RETURN type=kotlin.Nothing from='<anonymous>(): Unit'
-                  TYPE_OP type=kotlin.Unit origin=IMPLICIT_COERCION_TO_UNIT typeOperand=kotlin.Unit
-                    typeOperand: CLASS IR_EXTERNAL_DECLARATION_STUB OBJECT name:Unit modality:FINAL visibility:public flags: superTypes:[kotlin.Any]
-                    CALL 'run(() -> Nothing): Nothing' type=kotlin.Nothing origin=null
-                      <R>: kotlin.Nothing
-                      block: BLOCK type=() -> kotlin.Nothing origin=LAMBDA
-                        FUN LOCAL_FUNCTION_FOR_LAMBDA name:<anonymous> visibility:local modality:FINAL <> () returnType:kotlin.Nothing flags:
-                          BLOCK_BODY
-                            RETURN type=kotlin.Nothing from='<anonymous>(): Unit'
-                              GET_OBJECT 'Unit' type=kotlin.Unit
-                        FUNCTION_REFERENCE '<anonymous>(): Nothing' type=() -> kotlin.Nothing origin=LAMBDA
-            FUNCTION_REFERENCE '<anonymous>(): Unit' type=() -> kotlin.Unit origin=LAMBDA
+      CALL 'run(() -> Unit): Unit' type=kotlin.Unit origin=null
+        <R>: kotlin.Unit
+        block: BLOCK type=() -> kotlin.Unit origin=LAMBDA
+          FUN LOCAL_FUNCTION_FOR_LAMBDA name:<anonymous> visibility:local modality:FINAL <> () returnType:kotlin.Unit flags:
+            BLOCK_BODY
+              RETURN type=kotlin.Nothing from='<anonymous>(): Unit'
+                CALL 'run(() -> Nothing): Nothing' type=kotlin.Nothing origin=null
+                  <R>: kotlin.Nothing
+                  block: BLOCK type=() -> kotlin.Nothing origin=LAMBDA
+                    FUN LOCAL_FUNCTION_FOR_LAMBDA name:<anonymous> visibility:local modality:FINAL <> () returnType:kotlin.Nothing flags:
+                      BLOCK_BODY
+                        RETURN type=kotlin.Nothing from='<anonymous>(): Unit'
+                          GET_OBJECT 'Unit' type=kotlin.Unit
+                    FUNCTION_REFERENCE '<anonymous>(): Nothing' type=() -> kotlin.Nothing origin=LAMBDA
+          FUNCTION_REFERENCE '<anonymous>(): Unit' type=() -> kotlin.Unit origin=LAMBDA
   FUN name:testLrmFoo1 visibility:public modality:FINAL <> (ints:kotlin.collections.List<kotlin.Int>) returnType:kotlin.Unit flags:
     VALUE_PARAMETER name:ints index:0 type:kotlin.collections.List<kotlin.Int> flags:
     BLOCK_BODY

compiler/tests/org/jetbrains/kotlin/ir/IrTextTestCaseGenerated.java

@@ -259,6 +259,11 @@ public class IrTextTestCaseGenerated extends AbstractIrTextTestCase {
             runTest("compiler/testData/ir/irText/declarations/interfaceProperties.kt");
         }
 
+        @TestMetadata("kt27005.kt")
+        public void testKt27005() throws Exception {
+            runTest("compiler/testData/ir/irText/declarations/kt27005.kt");
+        }
+
         @TestMetadata("localClassWithOverrides.kt")
         public void testLocalClassWithOverrides() throws Exception {
             runTest("compiler/testData/ir/irText/declarations/localClassWithOverrides.kt");