JVM_IR: generate accessors for inherited abstract members too

#KT-41468 Fixed

compiler/fir/fir2ir/tests/org/jetbrains/kotlin/codegen/ir/FirBlackBoxCodegenTestGenerated.java

@@ -30591,6 +30591,11 @@ public class FirBlackBoxCodegenTestGenerated extends AbstractFirBlackBoxCodegenT
             KotlinTestUtils.runTestWithCustomIgnoreDirective(this::doTest, TargetBackend.JVM_IR, testDataFilePath, "// IGNORE_BACKEND_FIR: ");
         }
 
+        @TestMetadata("accessorForAbstractProtected.kt")
+        public void testAccessorForAbstractProtected() throws Exception {
+            runTest("compiler/testData/codegen/box/syntheticAccessors/accessorForAbstractProtected.kt");
+        }
+
         @TestMetadata("accessorForGenericConstructor.kt")
         public void testAccessorForGenericConstructor() throws Exception {
             runTest("compiler/testData/codegen/box/syntheticAccessors/accessorForGenericConstructor.kt");

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

@@ -576,7 +576,7 @@ internal class SyntheticAccessorLowering(val context: JvmBackendContext) : IrEle
         val symbolOwner = owner
         val declarationRaw = symbolOwner as IrDeclarationWithVisibility
         val declaration =
-            (declarationRaw as? IrSimpleFunction)?.resolveFakeOverride() ?: declarationRaw
+            (declarationRaw as? IrSimpleFunction)?.resolveFakeOverride(allowAbstract = true) ?: declarationRaw
 
         // There is never a problem with visibility of inline functions, as those don't end up as Java entities
         if (declaration is IrFunction && declaration.isInline) return true

compiler/testData/codegen/box/syntheticAccessors/accessorForAbstractProtected.kt

@@ -0,0 +1,17 @@
+// FILE: 1.kt
+import a.*
+
+abstract class B : A() {
+    fun g() = { f() }()
+}
+
+fun box() = object : B() {
+    override fun f(): String = "OK"
+}.g()
+
+// FILE: 2.kt
+package a
+
+abstract class A {
+    protected abstract fun f(): String
+}

compiler/tests/org/jetbrains/kotlin/codegen/BlackBoxCodegenTestGenerated.java

@@ -32357,6 +32357,11 @@ public class BlackBoxCodegenTestGenerated extends AbstractBlackBoxCodegenTest {
             KotlinTestUtils.runTest(this::doTest, TargetBackend.JVM, testDataFilePath);
         }
 
+        @TestMetadata("accessorForAbstractProtected.kt")
+        public void testAccessorForAbstractProtected() throws Exception {
+            runTest("compiler/testData/codegen/box/syntheticAccessors/accessorForAbstractProtected.kt");
+        }
+
         @TestMetadata("accessorForGenericConstructor.kt")
         public void testAccessorForGenericConstructor() throws Exception {
             runTest("compiler/testData/codegen/box/syntheticAccessors/accessorForGenericConstructor.kt");

compiler/tests/org/jetbrains/kotlin/codegen/LightAnalysisModeTestGenerated.java

@@ -29991,6 +29991,11 @@ public class LightAnalysisModeTestGenerated extends AbstractLightAnalysisModeTes
             KotlinTestUtils.runTest(this::doTest, TargetBackend.JVM, testDataFilePath);
         }
 
+        @TestMetadata("accessorForAbstractProtected.kt")
+        public void testAccessorForAbstractProtected() throws Exception {
+            runTest("compiler/testData/codegen/box/syntheticAccessors/accessorForAbstractProtected.kt");
+        }
+
         @TestMetadata("accessorForGenericConstructor.kt")
         public void testAccessorForGenericConstructor() throws Exception {
             runTest("compiler/testData/codegen/box/syntheticAccessors/accessorForGenericConstructor.kt");

compiler/tests/org/jetbrains/kotlin/codegen/ir/IrBlackBoxCodegenTestGenerated.java

@@ -30591,6 +30591,11 @@ public class IrBlackBoxCodegenTestGenerated extends AbstractIrBlackBoxCodegenTes
             KotlinTestUtils.runTest(this::doTest, TargetBackend.JVM_IR, testDataFilePath);
         }
 
+        @TestMetadata("accessorForAbstractProtected.kt")
+        public void testAccessorForAbstractProtected() throws Exception {
+            runTest("compiler/testData/codegen/box/syntheticAccessors/accessorForAbstractProtected.kt");
+        }
+
         @TestMetadata("accessorForGenericConstructor.kt")
         public void testAccessorForGenericConstructor() throws Exception {
             runTest("compiler/testData/codegen/box/syntheticAccessors/accessorForGenericConstructor.kt");

js/js.tests/test/org/jetbrains/kotlin/js/test/es6/semantics/IrJsCodegenBoxES6TestGenerated.java

@@ -24872,6 +24872,11 @@ public class IrJsCodegenBoxES6TestGenerated extends AbstractIrJsCodegenBoxES6Tes
             KotlinTestUtils.runTest0(this::doTest, TargetBackend.JS_IR_ES6, testDataFilePath);
         }
 
+        @TestMetadata("accessorForAbstractProtected.kt")
+        public void testAccessorForAbstractProtected() throws Exception {
+            runTest("compiler/testData/codegen/box/syntheticAccessors/accessorForAbstractProtected.kt");
+        }
+
         @TestMetadata("accessorForGenericConstructor.kt")
         public void testAccessorForGenericConstructor() throws Exception {
             runTest("compiler/testData/codegen/box/syntheticAccessors/accessorForGenericConstructor.kt");

js/js.tests/test/org/jetbrains/kotlin/js/test/ir/semantics/IrJsCodegenBoxTestGenerated.java

@@ -24872,6 +24872,11 @@ public class IrJsCodegenBoxTestGenerated extends AbstractIrJsCodegenBoxTest {
             KotlinTestUtils.runTest0(this::doTest, TargetBackend.JS_IR, testDataFilePath);
         }
 
+        @TestMetadata("accessorForAbstractProtected.kt")
+        public void testAccessorForAbstractProtected() throws Exception {
+            runTest("compiler/testData/codegen/box/syntheticAccessors/accessorForAbstractProtected.kt");
+        }
+
         @TestMetadata("accessorForGenericConstructor.kt")
         public void testAccessorForGenericConstructor() throws Exception {
             runTest("compiler/testData/codegen/box/syntheticAccessors/accessorForGenericConstructor.kt");

js/js.tests/test/org/jetbrains/kotlin/js/test/semantics/JsCodegenBoxTestGenerated.java

@@ -24887,6 +24887,11 @@ public class JsCodegenBoxTestGenerated extends AbstractJsCodegenBoxTest {
             KotlinTestUtils.runTest0(this::doTest, TargetBackend.JS, testDataFilePath);
         }
 
+        @TestMetadata("accessorForAbstractProtected.kt")
+        public void testAccessorForAbstractProtected() throws Exception {
+            runTest("compiler/testData/codegen/box/syntheticAccessors/accessorForAbstractProtected.kt");
+        }
+
         @TestMetadata("accessorForGenericConstructor.kt")
         public void testAccessorForGenericConstructor() throws Exception {
             runTest("compiler/testData/codegen/box/syntheticAccessors/accessorForGenericConstructor.kt");