fix(KT-45056, KT-47516): use enum as an IR class instead of enum entity class.

compiler/fir/fir2ir/tests-gen/org/jetbrains/kotlin/test/runners/codegen/FirBlackBoxCodegenTestGenerated.java

@@ -15150,6 +15150,12 @@ public class FirBlackBoxCodegenTestGenerated extends AbstractFirBlackBoxCodegenT
             runTest("compiler/testData/codegen/box/enum/enumWithLambdaParameter.kt");
         }
 
+        @Test
+        @TestMetadata("getEnumEntityByOrdinal.kt")
+        public void testGetEnumEntityByOrdinal() throws Exception {
+            runTest("compiler/testData/codegen/box/enum/getEnumEntityByOrdinal.kt");
+        }
+
         @Test
         @TestMetadata("inPackage.kt")
         public void testInPackage() throws Exception {
@@ -15414,6 +15420,12 @@ public class FirBlackBoxCodegenTestGenerated extends AbstractFirBlackBoxCodegenT
             runTest("compiler/testData/codegen/box/enum/ordinal.kt");
         }
 
+        @Test
+        @TestMetadata("ordinalsWithEnumEntitiesOverrides.kt")
+        public void testOrdinalsWithEnumEntitiesOverrides() throws Exception {
+            runTest("compiler/testData/codegen/box/enum/ordinalsWithEnumEntitiesOverrides.kt");
+        }
+
         @Test
         @TestMetadata("overloadedEnumValues.kt")
         public void testOverloadedEnumValues() throws Exception {

compiler/ir/backend.js/src/org/jetbrains/kotlin/ir/backend/js/lower/EnumClassLowering.kt

@@ -176,7 +176,7 @@ class EnumClassConstructorBodyTransformer(val context: JsCommonBackendContext) :
                 irClass.correspondingEntry?.let { enumEntry ->
                     // Lower `IrEnumConstructorCall`s inside of enum entry class constructors to corresponding `IrDelegatingConstructorCall`s.
                     // Add `name` and `ordinal` parameters.
-                    lowerEnumEntryClassConstructors(irClass, enumEntry, container)
+                    lowerEnumEntryClassConstructors(enumEntry.parentAsClass, enumEntry, container)
                 }
             }
 
@@ -234,7 +234,7 @@ class EnumClassConstructorBodyTransformer(val context: JsCommonBackendContext) :
     }
 
     private inner class IrEnumEntryClassConstructorTransformer(
-        val irClass: IrClass,
+        irClass: IrClass,
         val entry: IrEnumEntry,
         val isInsideConstructor: Boolean
     ) :

compiler/testData/codegen/box/enum/getEnumEntityByOrdinal.kt

@@ -0,0 +1,13 @@
+package foo
+
+enum class X {
+    B {
+        override val value2 = "K"
+        override val value = "O" + B.value2.get(X.B.ordinal).toString()
+    };
+
+    abstract val value2: String
+    abstract val value: String
+}
+
+fun box() = X.B.value

compiler/testData/codegen/box/enum/ordinalsWithEnumEntitiesOverrides.kt

@@ -0,0 +1,45 @@
+// WITH_RUNTIME
+
+package foo
+
+import kotlin.test.assertEquals
+
+enum class TestA {
+    FIRST {
+        override val label: String = "first A"
+    },
+    SECOND {
+        override val label: String = "second A"
+    },
+    THIRD {
+        override val label: String = "third A"
+    };
+
+    abstract val label: String
+}
+
+enum class TestB(val label: String) {
+    FIRST("first B"),
+    SECOND("second B"),
+    THIRD("third B");
+}
+
+fun box(): String {
+    assertEquals(TestA.FIRST.label, "first A")
+    assertEquals(TestA.SECOND.label, "second A")
+    assertEquals(TestA.THIRD.label, "third A")
+
+    assertEquals(TestA.FIRST.ordinal, 0)
+    assertEquals(TestA.SECOND.ordinal, 1)
+    assertEquals(TestA.THIRD.ordinal, 2)
+
+    assertEquals(TestB.FIRST.label,"first B")
+    assertEquals(TestB.SECOND.label,"second B")
+    assertEquals(TestB.THIRD.label,"third B")
+
+    assertEquals(TestB.FIRST.ordinal, 0)
+    assertEquals(TestB.SECOND.ordinal, 1)
+    assertEquals(TestB.THIRD.ordinal, 2)
+
+    return "OK"
+}

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

@@ -15072,6 +15072,12 @@ public class BlackBoxCodegenTestGenerated extends AbstractBlackBoxCodegenTest {
             runTest("compiler/testData/codegen/box/enum/enumWithLambdaParameter.kt");
         }
 
+        @Test
+        @TestMetadata("getEnumEntityByOrdinal.kt")
+        public void testGetEnumEntityByOrdinal() throws Exception {
+            runTest("compiler/testData/codegen/box/enum/getEnumEntityByOrdinal.kt");
+        }
+
         @Test
         @TestMetadata("inPackage.kt")
         public void testInPackage() throws Exception {
@@ -15336,6 +15342,12 @@ public class BlackBoxCodegenTestGenerated extends AbstractBlackBoxCodegenTest {
             runTest("compiler/testData/codegen/box/enum/ordinal.kt");
         }
 
+        @Test
+        @TestMetadata("ordinalsWithEnumEntitiesOverrides.kt")
+        public void testOrdinalsWithEnumEntitiesOverrides() throws Exception {
+            runTest("compiler/testData/codegen/box/enum/ordinalsWithEnumEntitiesOverrides.kt");
+        }
+
         @Test
         @TestMetadata("overloadedEnumValues.kt")
         public void testOverloadedEnumValues() throws Exception {

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

@@ -15150,6 +15150,12 @@ public class IrBlackBoxCodegenTestGenerated extends AbstractIrBlackBoxCodegenTes
             runTest("compiler/testData/codegen/box/enum/enumWithLambdaParameter.kt");
         }
 
+        @Test
+        @TestMetadata("getEnumEntityByOrdinal.kt")
+        public void testGetEnumEntityByOrdinal() throws Exception {
+            runTest("compiler/testData/codegen/box/enum/getEnumEntityByOrdinal.kt");
+        }
+
         @Test
         @TestMetadata("inPackage.kt")
         public void testInPackage() throws Exception {
@@ -15414,6 +15420,12 @@ public class IrBlackBoxCodegenTestGenerated extends AbstractIrBlackBoxCodegenTes
             runTest("compiler/testData/codegen/box/enum/ordinal.kt");
         }
 
+        @Test
+        @TestMetadata("ordinalsWithEnumEntitiesOverrides.kt")
+        public void testOrdinalsWithEnumEntitiesOverrides() throws Exception {
+            runTest("compiler/testData/codegen/box/enum/ordinalsWithEnumEntitiesOverrides.kt");
+        }
+
         @Test
         @TestMetadata("overloadedEnumValues.kt")
         public void testOverloadedEnumValues() throws Exception {

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

@@ -12367,6 +12367,11 @@ public class LightAnalysisModeTestGenerated extends AbstractLightAnalysisModeTes
             runTest("compiler/testData/codegen/box/enum/enumWithLambdaParameter.kt");
         }
 
+        @TestMetadata("getEnumEntityByOrdinal.kt")
+        public void testGetEnumEntityByOrdinal() throws Exception {
+            runTest("compiler/testData/codegen/box/enum/getEnumEntityByOrdinal.kt");
+        }
+
         @TestMetadata("inPackage.kt")
         public void testInPackage() throws Exception {
             runTest("compiler/testData/codegen/box/enum/inPackage.kt");
@@ -12587,6 +12592,11 @@ public class LightAnalysisModeTestGenerated extends AbstractLightAnalysisModeTes
             runTest("compiler/testData/codegen/box/enum/ordinal.kt");
         }
 
+        @TestMetadata("ordinalsWithEnumEntitiesOverrides.kt")
+        public void testOrdinalsWithEnumEntitiesOverrides() throws Exception {
+            runTest("compiler/testData/codegen/box/enum/ordinalsWithEnumEntitiesOverrides.kt");
+        }
+
         @TestMetadata("overloadedEnumValues.kt")
         public void testOverloadedEnumValues() throws Exception {
             runTest("compiler/testData/codegen/box/enum/overloadedEnumValues.kt");

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

@@ -11036,6 +11036,11 @@ public class IrJsCodegenBoxES6TestGenerated extends AbstractIrJsCodegenBoxES6Tes
             runTest("compiler/testData/codegen/box/enum/enumWithLambdaParameter.kt");
         }
 
+        @TestMetadata("getEnumEntityByOrdinal.kt")
+        public void testGetEnumEntityByOrdinal() throws Exception {
+            runTest("compiler/testData/codegen/box/enum/getEnumEntityByOrdinal.kt");
+        }
+
         @TestMetadata("inPackage.kt")
         public void testInPackage() throws Exception {
             runTest("compiler/testData/codegen/box/enum/inPackage.kt");
@@ -11226,6 +11231,11 @@ public class IrJsCodegenBoxES6TestGenerated extends AbstractIrJsCodegenBoxES6Tes
             runTest("compiler/testData/codegen/box/enum/ordinal.kt");
         }
 
+        @TestMetadata("ordinalsWithEnumEntitiesOverrides.kt")
+        public void testOrdinalsWithEnumEntitiesOverrides() throws Exception {
+            runTest("compiler/testData/codegen/box/enum/ordinalsWithEnumEntitiesOverrides.kt");
+        }
+
         @TestMetadata("overloadedEnumValues.kt")
         public void testOverloadedEnumValues() throws Exception {
             runTest("compiler/testData/codegen/box/enum/overloadedEnumValues.kt");

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

@@ -10442,6 +10442,11 @@ public class IrJsCodegenBoxTestGenerated extends AbstractIrJsCodegenBoxTest {
             runTest("compiler/testData/codegen/box/enum/enumWithLambdaParameter.kt");
         }
 
+        @TestMetadata("getEnumEntityByOrdinal.kt")
+        public void testGetEnumEntityByOrdinal() throws Exception {
+            runTest("compiler/testData/codegen/box/enum/getEnumEntityByOrdinal.kt");
+        }
+
         @TestMetadata("inPackage.kt")
         public void testInPackage() throws Exception {
             runTest("compiler/testData/codegen/box/enum/inPackage.kt");
@@ -10632,6 +10637,11 @@ public class IrJsCodegenBoxTestGenerated extends AbstractIrJsCodegenBoxTest {
             runTest("compiler/testData/codegen/box/enum/ordinal.kt");
         }
 
+        @TestMetadata("ordinalsWithEnumEntitiesOverrides.kt")
+        public void testOrdinalsWithEnumEntitiesOverrides() throws Exception {
+            runTest("compiler/testData/codegen/box/enum/ordinalsWithEnumEntitiesOverrides.kt");
+        }
+
         @TestMetadata("overloadedEnumValues.kt")
         public void testOverloadedEnumValues() throws Exception {
             runTest("compiler/testData/codegen/box/enum/overloadedEnumValues.kt");

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

@@ -10407,6 +10407,11 @@ public class JsCodegenBoxTestGenerated extends AbstractJsCodegenBoxTest {
             runTest("compiler/testData/codegen/box/enum/enumWithLambdaParameter.kt");
         }
 
+        @TestMetadata("getEnumEntityByOrdinal.kt")
+        public void testGetEnumEntityByOrdinal() throws Exception {
+            runTest("compiler/testData/codegen/box/enum/getEnumEntityByOrdinal.kt");
+        }
+
         @TestMetadata("inPackage.kt")
         public void testInPackage() throws Exception {
             runTest("compiler/testData/codegen/box/enum/inPackage.kt");
@@ -10597,6 +10602,11 @@ public class JsCodegenBoxTestGenerated extends AbstractJsCodegenBoxTest {
             runTest("compiler/testData/codegen/box/enum/ordinal.kt");
         }
 
+        @TestMetadata("ordinalsWithEnumEntitiesOverrides.kt")
+        public void testOrdinalsWithEnumEntitiesOverrides() throws Exception {
+            runTest("compiler/testData/codegen/box/enum/ordinalsWithEnumEntitiesOverrides.kt");
+        }
+
         @TestMetadata("overloadedEnumValues.kt")
         public void testOverloadedEnumValues() throws Exception {
             runTest("compiler/testData/codegen/box/enum/overloadedEnumValues.kt");

js/js.tests/tests-gen/org/jetbrains/kotlin/js/test/wasm/semantics/IrCodegenBoxWasmTestGenerated.java

@@ -7186,6 +7186,11 @@ public class IrCodegenBoxWasmTestGenerated extends AbstractIrCodegenBoxWasmTest
             runTest("compiler/testData/codegen/box/enum/enumWithLambdaParameter.kt");
         }
 
+        @TestMetadata("getEnumEntityByOrdinal.kt")
+        public void testGetEnumEntityByOrdinal() throws Exception {
+            runTest("compiler/testData/codegen/box/enum/getEnumEntityByOrdinal.kt");
+        }
+
         @TestMetadata("inPackage.kt")
         public void testInPackage() throws Exception {
             runTest("compiler/testData/codegen/box/enum/inPackage.kt");
@@ -7376,6 +7381,11 @@ public class IrCodegenBoxWasmTestGenerated extends AbstractIrCodegenBoxWasmTest
             runTest("compiler/testData/codegen/box/enum/ordinal.kt");
         }
 
+        @TestMetadata("ordinalsWithEnumEntitiesOverrides.kt")
+        public void testOrdinalsWithEnumEntitiesOverrides() throws Exception {
+            runTest("compiler/testData/codegen/box/enum/ordinalsWithEnumEntitiesOverrides.kt");
+        }
+
         @TestMetadata("overloadedEnumValues.kt")
         public void testOverloadedEnumValues() throws Exception {
             runTest("compiler/testData/codegen/box/enum/overloadedEnumValues.kt");