Enum entry hashCode() should return identity hash code #KT-59223

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

@@ -16715,6 +16715,12 @@ public class FirLightTreeBlackBoxCodegenTestGenerated extends AbstractFirLightTr
             runTest("compiler/testData/codegen/box/enum/enumEntriesNameClashes.kt");
         }
 
+        @Test
+        @TestMetadata("enumEntryHashCode.kt")
+        public void testEnumEntryHashCode() throws Exception {
+            runTest("compiler/testData/codegen/box/enum/enumEntryHashCode.kt");
+        }
+
         @Test
         @TestMetadata("enumEntryMembers.kt")
         public void testEnumEntryMembers() throws Exception {

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

@@ -16715,6 +16715,12 @@ public class FirPsiBlackBoxCodegenTestGenerated extends AbstractFirPsiBlackBoxCo
             runTest("compiler/testData/codegen/box/enum/enumEntriesNameClashes.kt");
         }
 
+        @Test
+        @TestMetadata("enumEntryHashCode.kt")
+        public void testEnumEntryHashCode() throws Exception {
+            runTest("compiler/testData/codegen/box/enum/enumEntryHashCode.kt");
+        }
+
         @Test
         @TestMetadata("enumEntryMembers.kt")
         public void testEnumEntryMembers() throws Exception {

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

@@ -0,0 +1,8 @@
+// WITH_STDLIB
+
+enum class E {
+    A, B
+}
+
+// hashCode shouldn't always return ordinal: KT-59223
+fun box() = if (E.A.hashCode() == E.A.ordinal && E.B.hashCode() == E.B.ordinal) "FAIL" else "OK"

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

@@ -16343,6 +16343,12 @@ public class BlackBoxCodegenTestGenerated extends AbstractBlackBoxCodegenTest {
             runTest("compiler/testData/codegen/box/enum/enumEntriesNameClashes.kt");
         }
 
+        @Test
+        @TestMetadata("enumEntryHashCode.kt")
+        public void testEnumEntryHashCode() throws Exception {
+            runTest("compiler/testData/codegen/box/enum/enumEntryHashCode.kt");
+        }
+
         @Test
         @TestMetadata("enumEntryMembers.kt")
         public void testEnumEntryMembers() throws Exception {

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

@@ -16715,6 +16715,12 @@ public class IrBlackBoxCodegenTestGenerated extends AbstractIrBlackBoxCodegenTes
             runTest("compiler/testData/codegen/box/enum/enumEntriesNameClashes.kt");
         }
 
+        @Test
+        @TestMetadata("enumEntryHashCode.kt")
+        public void testEnumEntryHashCode() throws Exception {
+            runTest("compiler/testData/codegen/box/enum/enumEntryHashCode.kt");
+        }
+
         @Test
         @TestMetadata("enumEntryMembers.kt")
         public void testEnumEntryMembers() throws Exception {

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

@@ -16715,6 +16715,12 @@ public class IrBlackBoxCodegenWithIrInlinerTestGenerated extends AbstractIrBlack
             runTest("compiler/testData/codegen/box/enum/enumEntriesNameClashes.kt");
         }
 
+        @Test
+        @TestMetadata("enumEntryHashCode.kt")
+        public void testEnumEntryHashCode() throws Exception {
+            runTest("compiler/testData/codegen/box/enum/enumEntryHashCode.kt");
+        }
+
         @Test
         @TestMetadata("enumEntryMembers.kt")
         public void testEnumEntryMembers() throws Exception {

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

@@ -13504,6 +13504,11 @@ public class LightAnalysisModeTestGenerated extends AbstractLightAnalysisModeTes
             runTest("compiler/testData/codegen/box/enum/enumConstructorParameterClashWithDefaults.kt");
         }
 
+        @TestMetadata("enumEntryHashCode.kt")
+        public void testEnumEntryHashCode() throws Exception {
+            runTest("compiler/testData/codegen/box/enum/enumEntryHashCode.kt");
+        }
+
         @TestMetadata("enumEntryMembers.kt")
         public void testEnumEntryMembers() throws Exception {
             runTest("compiler/testData/codegen/box/enum/enumEntryMembers.kt");

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

@@ -12629,6 +12629,12 @@ public class JsCodegenBoxTestGenerated extends AbstractJsCodegenBoxTest {
             runTest("compiler/testData/codegen/box/enum/enumEntriesNameClashes.kt");
         }
 
+        @Test
+        @TestMetadata("enumEntryHashCode.kt")
+        public void testEnumEntryHashCode() throws Exception {
+            runTest("compiler/testData/codegen/box/enum/enumEntryHashCode.kt");
+        }
+
         @Test
         @TestMetadata("enumEntryMembers.kt")
         public void testEnumEntryMembers() throws Exception {

js/js.tests/tests-gen/org/jetbrains/kotlin/js/test/fir/FirJsCodegenBoxTestGenerated.java

@@ -12731,6 +12731,12 @@ public class FirJsCodegenBoxTestGenerated extends AbstractFirJsCodegenBoxTest {
             runTest("compiler/testData/codegen/box/enum/enumEntriesNameClashes.kt");
         }
 
+        @Test
+        @TestMetadata("enumEntryHashCode.kt")
+        public void testEnumEntryHashCode() throws Exception {
+            runTest("compiler/testData/codegen/box/enum/enumEntryHashCode.kt");
+        }
+
         @Test
         @TestMetadata("enumEntryMembers.kt")
         public void testEnumEntryMembers() throws Exception {

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

@@ -12731,6 +12731,12 @@ public class IrJsCodegenBoxTestGenerated extends AbstractIrJsCodegenBoxTest {
             runTest("compiler/testData/codegen/box/enum/enumEntriesNameClashes.kt");
         }
 
+        @Test
+        @TestMetadata("enumEntryHashCode.kt")
+        public void testEnumEntryHashCode() throws Exception {
+            runTest("compiler/testData/codegen/box/enum/enumEntryHashCode.kt");
+        }
+
         @Test
         @TestMetadata("enumEntryMembers.kt")
         public void testEnumEntryMembers() throws Exception {

js/js.tests/tests-gen/org/jetbrains/kotlin/js/test/ir/IrJsES6CodegenBoxTestGenerated.java

@@ -12731,6 +12731,12 @@ public class IrJsES6CodegenBoxTestGenerated extends AbstractIrJsES6CodegenBoxTes
             runTest("compiler/testData/codegen/box/enum/enumEntriesNameClashes.kt");
         }
 
+        @Test
+        @TestMetadata("enumEntryHashCode.kt")
+        public void testEnumEntryHashCode() throws Exception {
+            runTest("compiler/testData/codegen/box/enum/enumEntryHashCode.kt");
+        }
+
         @Test
         @TestMetadata("enumEntryMembers.kt")
         public void testEnumEntryMembers() throws Exception {

kotlin-native/runtime/src/main/kotlin/kotlin/Enum.kt

@@ -24,10 +24,6 @@ public abstract class Enum<E: Enum<E>>(@kotlin.internal.IntrinsicConstEvaluation
         return this === other
     }
 
-    public override final fun hashCode(): Int {
-        return ordinal
-    }
-
     public override fun toString(): String {
         return name
     }

native/native.tests/tests-gen/org/jetbrains/kotlin/konan/blackboxtest/FirNativeCodegenBoxTestGenerated.java

@@ -13873,6 +13873,12 @@ public class FirNativeCodegenBoxTestGenerated extends AbstractNativeCodegenBoxTe
                 runTest("compiler/testData/codegen/box/enum/enumEntriesNameClashes.kt");
             }
 
+            @Test
+            @TestMetadata("enumEntryHashCode.kt")
+            public void testEnumEntryHashCode() throws Exception {
+                runTest("compiler/testData/codegen/box/enum/enumEntryHashCode.kt");
+            }
+
             @Test
             @TestMetadata("enumEntryMembers.kt")
             public void testEnumEntryMembers() throws Exception {

native/native.tests/tests-gen/org/jetbrains/kotlin/konan/blackboxtest/FirNativeCodegenBoxTestNoPLGenerated.java

@@ -14197,6 +14197,12 @@ public class FirNativeCodegenBoxTestNoPLGenerated extends AbstractNativeCodegenB
                 runTest("compiler/testData/codegen/box/enum/enumEntriesNameClashes.kt");
             }
 
+            @Test
+            @TestMetadata("enumEntryHashCode.kt")
+            public void testEnumEntryHashCode() throws Exception {
+                runTest("compiler/testData/codegen/box/enum/enumEntryHashCode.kt");
+            }
+
             @Test
             @TestMetadata("enumEntryMembers.kt")
             public void testEnumEntryMembers() throws Exception {

native/native.tests/tests-gen/org/jetbrains/kotlin/konan/blackboxtest/NativeCodegenBoxTestGenerated.java

@@ -13712,6 +13712,12 @@ public class NativeCodegenBoxTestGenerated extends AbstractNativeCodegenBoxTest
                 runTest("compiler/testData/codegen/box/enum/enumEntriesNameClashes.kt");
             }
 
+            @Test
+            @TestMetadata("enumEntryHashCode.kt")
+            public void testEnumEntryHashCode() throws Exception {
+                runTest("compiler/testData/codegen/box/enum/enumEntryHashCode.kt");
+            }
+
             @Test
             @TestMetadata("enumEntryMembers.kt")
             public void testEnumEntryMembers() throws Exception {

native/native.tests/tests-gen/org/jetbrains/kotlin/konan/blackboxtest/NativeCodegenBoxTestNoPLGenerated.java

@@ -13874,6 +13874,12 @@ public class NativeCodegenBoxTestNoPLGenerated extends AbstractNativeCodegenBoxT
                 runTest("compiler/testData/codegen/box/enum/enumEntriesNameClashes.kt");
             }
 
+            @Test
+            @TestMetadata("enumEntryHashCode.kt")
+            public void testEnumEntryHashCode() throws Exception {
+                runTest("compiler/testData/codegen/box/enum/enumEntryHashCode.kt");
+            }
+
             @Test
             @TestMetadata("enumEntryMembers.kt")
             public void testEnumEntryMembers() throws Exception {

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

@@ -11289,6 +11289,11 @@ public class IrCodegenBoxWasmTestGenerated extends AbstractIrCodegenBoxWasmTest
             runTest("compiler/testData/codegen/box/enum/enumEntriesNameClashes.kt");
         }
 
+        @TestMetadata("enumEntryHashCode.kt")
+        public void testEnumEntryHashCode() throws Exception {
+            runTest("compiler/testData/codegen/box/enum/enumEntryHashCode.kt");
+        }
+
         @TestMetadata("enumEntryMembers.kt")
         public void testEnumEntryMembers() throws Exception {
             runTest("compiler/testData/codegen/box/enum/enumEntryMembers.kt");