JVM IR: Fix inline class constructors taking default values of inline class type.

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

@@ -430,6 +430,8 @@ private class JvmInlineClassLowering(private val context: JvmBackendContext) : F
             origin = JvmLoweredDeclarationOrigin.SYNTHETIC_INLINE_CLASS_MEMBER
             returnType = irConstructor.returnType
         }.apply {
+            // Don't create a default argument stub for the primary constructor
+            irConstructor.valueParameters.forEach { it.defaultValue = null }
             copyParameterDeclarationsFrom(irConstructor)
             body = context.createIrBuilder(this.symbol).irBlockBody(this) {
                 +irDelegatingConstructorCall(context.irBuiltIns.anyClass.owner.constructors.single())
@@ -444,6 +446,7 @@ private class JvmInlineClassLowering(private val context: JvmBackendContext) : F
         // Add a static bridge method to the primary constructor.
         // This is a placeholder for null-checks and default arguments.
         val function = context.inlineClassReplacements.getReplacementFunction(irConstructor)!!
+        function.valueParameters.forEach { it.transformChildrenVoid() }
         with(context.createIrBuilder(function.symbol)) {
             val argument = function.valueParameters[0]
             function.body = irExprBody(

compiler/testData/codegen/box/inlineClasses/defaultParameterValues/inlineClassPrimaryConstructorWithInlineClassValue.kt

@@ -0,0 +1,10 @@
+// !LANGUAGE: +InlineClasses
+// IGNORE_BACKEND_FIR: JVM_IR
+
+inline class Inner(val result: String)
+
+inline class A(val inner: Inner = Inner("OK"))
+
+fun box(): String {
+    return A().inner.result
+}

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

@@ -13851,6 +13851,11 @@ public class BlackBoxCodegenTestGenerated extends AbstractBlackBoxCodegenTest {
                 runTest("compiler/testData/codegen/box/inlineClasses/defaultParameterValues/inlineClassPrimaryConstructor.kt");
             }
 
+            @TestMetadata("inlineClassPrimaryConstructorWithInlineClassValue.kt")
+            public void testInlineClassPrimaryConstructorWithInlineClassValue() throws Exception {
+                runTest("compiler/testData/codegen/box/inlineClasses/defaultParameterValues/inlineClassPrimaryConstructorWithInlineClassValue.kt");
+            }
+
             @TestMetadata("inlineClassSecondaryConstructor.kt")
             public void testInlineClassSecondaryConstructor() throws Exception {
                 runTest("compiler/testData/codegen/box/inlineClasses/defaultParameterValues/inlineClassSecondaryConstructor.kt");

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

@@ -13851,6 +13851,11 @@ public class LightAnalysisModeTestGenerated extends AbstractLightAnalysisModeTes
                 runTest("compiler/testData/codegen/box/inlineClasses/defaultParameterValues/inlineClassPrimaryConstructor.kt");
             }
 
+            @TestMetadata("inlineClassPrimaryConstructorWithInlineClassValue.kt")
+            public void testInlineClassPrimaryConstructorWithInlineClassValue() throws Exception {
+                runTest("compiler/testData/codegen/box/inlineClasses/defaultParameterValues/inlineClassPrimaryConstructorWithInlineClassValue.kt");
+            }
+
             @TestMetadata("inlineClassSecondaryConstructor.kt")
             public void testInlineClassSecondaryConstructor() throws Exception {
                 runTest("compiler/testData/codegen/box/inlineClasses/defaultParameterValues/inlineClassSecondaryConstructor.kt");

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

@@ -12721,6 +12721,11 @@ public class FirBlackBoxCodegenTestGenerated extends AbstractFirBlackBoxCodegenT
                 runTest("compiler/testData/codegen/box/inlineClasses/defaultParameterValues/inlineClassPrimaryConstructor.kt");
             }
 
+            @TestMetadata("inlineClassPrimaryConstructorWithInlineClassValue.kt")
+            public void testInlineClassPrimaryConstructorWithInlineClassValue() throws Exception {
+                runTest("compiler/testData/codegen/box/inlineClasses/defaultParameterValues/inlineClassPrimaryConstructorWithInlineClassValue.kt");
+            }
+
             @TestMetadata("inlineClassSecondaryConstructor.kt")
             public void testInlineClassSecondaryConstructor() throws Exception {
                 runTest("compiler/testData/codegen/box/inlineClasses/defaultParameterValues/inlineClassSecondaryConstructor.kt");

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

@@ -12721,6 +12721,11 @@ public class IrBlackBoxCodegenTestGenerated extends AbstractIrBlackBoxCodegenTes
                 runTest("compiler/testData/codegen/box/inlineClasses/defaultParameterValues/inlineClassPrimaryConstructor.kt");
             }
 
+            @TestMetadata("inlineClassPrimaryConstructorWithInlineClassValue.kt")
+            public void testInlineClassPrimaryConstructorWithInlineClassValue() throws Exception {
+                runTest("compiler/testData/codegen/box/inlineClasses/defaultParameterValues/inlineClassPrimaryConstructorWithInlineClassValue.kt");
+            }
+
             @TestMetadata("inlineClassSecondaryConstructor.kt")
             public void testInlineClassSecondaryConstructor() throws Exception {
                 runTest("compiler/testData/codegen/box/inlineClasses/defaultParameterValues/inlineClassSecondaryConstructor.kt");

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

@@ -10981,6 +10981,11 @@ public class IrJsCodegenBoxTestGenerated extends AbstractIrJsCodegenBoxTest {
                 runTest("compiler/testData/codegen/box/inlineClasses/defaultParameterValues/inlineClassPrimaryConstructor.kt");
             }
 
+            @TestMetadata("inlineClassPrimaryConstructorWithInlineClassValue.kt")
+            public void testInlineClassPrimaryConstructorWithInlineClassValue() throws Exception {
+                runTest("compiler/testData/codegen/box/inlineClasses/defaultParameterValues/inlineClassPrimaryConstructorWithInlineClassValue.kt");
+            }
+
             @TestMetadata("inlineClassSecondaryConstructor.kt")
             public void testInlineClassSecondaryConstructor() throws Exception {
                 runTest("compiler/testData/codegen/box/inlineClasses/defaultParameterValues/inlineClassSecondaryConstructor.kt");

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

@@ -11046,6 +11046,11 @@ public class JsCodegenBoxTestGenerated extends AbstractJsCodegenBoxTest {
                 runTest("compiler/testData/codegen/box/inlineClasses/defaultParameterValues/inlineClassPrimaryConstructor.kt");
             }
 
+            @TestMetadata("inlineClassPrimaryConstructorWithInlineClassValue.kt")
+            public void testInlineClassPrimaryConstructorWithInlineClassValue() throws Exception {
+                runTest("compiler/testData/codegen/box/inlineClasses/defaultParameterValues/inlineClassPrimaryConstructorWithInlineClassValue.kt");
+            }
+
             @TestMetadata("inlineClassSecondaryConstructor.kt")
             public void testInlineClassSecondaryConstructor() throws Exception {
                 runTest("compiler/testData/codegen/box/inlineClasses/defaultParameterValues/inlineClassSecondaryConstructor.kt");