IR. Change visibility to lowered default function/constructors to public

compiler/ir/backend.common/src/org/jetbrains/kotlin/backend/common/lower/DefaultArgumentStubGenerator.kt

@@ -9,6 +9,8 @@ import org.jetbrains.kotlin.backend.common.*
 import org.jetbrains.kotlin.backend.common.descriptors.*
 import org.jetbrains.kotlin.backend.common.ir.*
 import org.jetbrains.kotlin.descriptors.Modality
+import org.jetbrains.kotlin.descriptors.Visibilities
+import org.jetbrains.kotlin.descriptors.Visibility
 import org.jetbrains.kotlin.ir.UNDEFINED_OFFSET
 import org.jetbrains.kotlin.ir.builders.*
 import org.jetbrains.kotlin.ir.builders.declarations.addValueParameter
@@ -361,6 +363,7 @@ private fun IrFunction.generateDefaultsFunctionImpl(context: CommonBackendContex
                 isExternal = false
                 isPrimary = false
                 isExpect = false
+                visibility = Visibilities.PUBLIC
             }
         is IrSimpleFunction ->
             buildFunWithDescriptorForInlining(descriptor) {
@@ -370,6 +373,7 @@ private fun IrFunction.generateDefaultsFunctionImpl(context: CommonBackendContex
                 modality = Modality.FINAL
                 isExternal = false
                 isTailrec = false
+                visibility = Visibilities.PUBLIC
             }
         else -> throw IllegalStateException("Unknown function type")
     }

compiler/testData/codegen/bytecodeText/defaultArguments/noAccessorForDefault.kt

@@ -0,0 +1,31 @@
+// FILE: Foo.kt
+
+package foo
+
+open class Foo() {
+    protected fun foo(value: Boolean = false) = if (!value) "OK" else "fail5"
+}
+
+// FILE: Bar.kt
+
+package bar
+
+import foo.Foo
+
+class Bar() : Foo() {
+    fun execute(): String {
+        return object { fun test() = foo() }.test ()
+    }
+}
+
+fun box(): String {
+    return Bar().execute()
+}
+
+// @bar/Bar.class:
+// 0 access\$
+// 0 INVOKESTATIC foo/Foo.foo\$default
+
+// @bar/Bar$execute$1.class:
+// 0 access\$
+// 1 INVOKESTATIC foo/Foo.foo\$default

compiler/testData/writeFlags/function/withDefaultArguments/funInClass.kt

@@ -1,7 +1,19 @@
-class MyClass() {
-    fun test(s: String = "") {}
+open class MyClass() {
+    fun testPublic(s: String = "") {}
+
+    protected fun testProtected(s: String = "") {}
+
+    private fun testPrivate(s: String = "") {}
 }
 
 // TESTED_OBJECT_KIND: function
-// TESTED_OBJECTS: MyClass, test$default
+// TESTED_OBJECTS: MyClass, testPublic$default
 // FLAGS: ACC_PUBLIC, ACC_STATIC, ACC_SYNTHETIC
+
+// TESTED_OBJECT_KIND: function
+// TESTED_OBJECTS: MyClass, testProtected$default
+// FLAGS: ACC_PUBLIC, ACC_STATIC, ACC_SYNTHETIC
+
+// TESTED_OBJECT_KIND: function
+// TESTED_OBJECTS: MyClass, testPrivate$default
+// FLAGS: ACC_PUBLIC, ACC_STATIC, ACC_SYNTHETIC

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

@@ -1580,6 +1580,11 @@ public class BytecodeTextTestGenerated extends AbstractBytecodeTextTest {
             runTest("compiler/testData/codegen/bytecodeText/defaultArguments/methodHandlerElimination.kt");
         }
 
+        @TestMetadata("noAccessorForDefault.kt")
+        public void testNoAccessorForDefault() throws Exception {
+            runTest("compiler/testData/codegen/bytecodeText/defaultArguments/noAccessorForDefault.kt");
+        }
+
         @TestMetadata("noEmptyArray.kt")
         public void testNoEmptyArray() throws Exception {
             runTest("compiler/testData/codegen/bytecodeText/defaultArguments/noEmptyArray.kt");

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

@@ -1535,6 +1535,11 @@ public class IrBytecodeTextTestGenerated extends AbstractIrBytecodeTextTest {
             runTest("compiler/testData/codegen/bytecodeText/defaultArguments/methodHandlerElimination.kt");
         }
 
+        @TestMetadata("noAccessorForDefault.kt")
+        public void testNoAccessorForDefault() throws Exception {
+            runTest("compiler/testData/codegen/bytecodeText/defaultArguments/noAccessorForDefault.kt");
+        }
+
         @TestMetadata("noEmptyArray.kt")
         public void testNoEmptyArray() throws Exception {
             runTest("compiler/testData/codegen/bytecodeText/defaultArguments/noEmptyArray.kt");