JVM_IR: Do not unbox Result parameter in Result methods

#KT-44140 Fixed

compiler/fir/analysis-tests/tests-gen/org/jetbrains/kotlin/test/runners/codegen/FirBlackBoxCodegenTestGenerated.java

@@ -16328,6 +16328,12 @@ public class FirBlackBoxCodegenTestGenerated extends AbstractFirBlackBoxCodegenT
             runTest("compiler/testData/codegen/box/inlineClasses/removeInInlineCollectionOfInlineClassAsInt.kt");
         }
 
+        @Test
+        @TestMetadata("result.kt")
+        public void testResult() throws Exception {
+            runTest("compiler/testData/codegen/box/inlineClasses/result.kt");
+        }
+
         @Test
         @TestMetadata("resultInlining.kt")
         public void testResultInlining() throws Exception {

compiler/ir/backend.jvm/src/org/jetbrains/kotlin/backend/jvm/codegen/ExpressionCodegen.kt

@@ -637,6 +637,8 @@ class ExpressionCodegen(
     private fun unboxResultIfNeeded(arg: IrGetValue) {
         if (arg.type.erasedUpperBound.fqNameWhenAvailable != StandardNames.RESULT_FQ_NAME) return
         if (irFunction !is IrSimpleFunction) return
+        // Skip Result's methods
+        if (irFunction.parentAsClass.fqNameWhenAvailable == StandardNames.RESULT_FQ_NAME) return
 
         val index = (arg.symbol as? IrValueParameterSymbol)?.owner?.index ?: return
         val genericOrAnyOverride = irFunction.overriddenSymbols.any {

compiler/testData/codegen/box/inlineClasses/result.kt

@@ -0,0 +1,13 @@
+// IGNORE_BACKEND: WASM, JS_IR
+// IGNORE_BACKEND_FIR: JVM_IR
+// FILE: result.kt
+
+package kotlin
+
+inline class Result(val value: Any?)
+
+// FILE: box.kt
+
+fun box(): String {
+    return Result("OK").value as String
+}

compiler/tests-common-new/tests-gen/org/jetbrains/kotlin/test/runners/codegen/BlackBoxCodegenTestGenerated.java

@@ -16328,6 +16328,12 @@ public class BlackBoxCodegenTestGenerated extends AbstractBlackBoxCodegenTest {
             runTest("compiler/testData/codegen/box/inlineClasses/removeInInlineCollectionOfInlineClassAsInt.kt");
         }
 
+        @Test
+        @TestMetadata("result.kt")
+        public void testResult() throws Exception {
+            runTest("compiler/testData/codegen/box/inlineClasses/result.kt");
+        }
+
         @Test
         @TestMetadata("resultInlining.kt")
         public void testResultInlining() throws Exception {

compiler/tests-common-new/tests-gen/org/jetbrains/kotlin/test/runners/codegen/IrBlackBoxCodegenTestGenerated.java

@@ -16328,6 +16328,12 @@ public class IrBlackBoxCodegenTestGenerated extends AbstractIrBlackBoxCodegenTes
             runTest("compiler/testData/codegen/box/inlineClasses/removeInInlineCollectionOfInlineClassAsInt.kt");
         }
 
+        @Test
+        @TestMetadata("result.kt")
+        public void testResult() throws Exception {
+            runTest("compiler/testData/codegen/box/inlineClasses/result.kt");
+        }
+
         @Test
         @TestMetadata("resultInlining.kt")
         public void testResultInlining() throws Exception {

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

@@ -14307,6 +14307,11 @@ public class LightAnalysisModeTestGenerated extends AbstractLightAnalysisModeTes
             runTest("compiler/testData/codegen/box/inlineClasses/removeInInlineCollectionOfInlineClassAsInt.kt");
         }
 
+        @TestMetadata("result.kt")
+        public void testResult() throws Exception {
+            runTest("compiler/testData/codegen/box/inlineClasses/result.kt");
+        }
+
         @TestMetadata("resultInlining.kt")
         public void testResultInlining() throws Exception {
             runTest("compiler/testData/codegen/box/inlineClasses/resultInlining.kt");