JVM: ensure the $ENTRIES field is initialized before use

#KT-57784 Fixed

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

@@ -16649,6 +16649,12 @@ public class FirLightTreeBlackBoxCodegenTestGenerated extends AbstractFirLightTr
             runTest("compiler/testData/codegen/box/enum/enumEntriesFromJava.kt");
         }
 
+        @Test
+        @TestMetadata("enumEntriesInCompanion.kt")
+        public void testEnumEntriesInCompanion() throws Exception {
+            runTest("compiler/testData/codegen/box/enum/enumEntriesInCompanion.kt");
+        }
+
         @Test
         @TestMetadata("enumEntriesMultimodule.kt")
         public void testEnumEntriesMultimodule() throws Exception {

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

@@ -16649,6 +16649,12 @@ public class FirPsiBlackBoxCodegenTestGenerated extends AbstractFirPsiBlackBoxCo
             runTest("compiler/testData/codegen/box/enum/enumEntriesFromJava.kt");
         }
 
+        @Test
+        @TestMetadata("enumEntriesInCompanion.kt")
+        public void testEnumEntriesInCompanion() throws Exception {
+            runTest("compiler/testData/codegen/box/enum/enumEntriesInCompanion.kt");
+        }
+
         @Test
         @TestMetadata("enumEntriesMultimodule.kt")
         public void testEnumEntriesMultimodule() throws Exception {

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

@@ -34,8 +34,9 @@ class StaticInitializersLowering(override val context: JvmBackendContext) : Init
                     JvmLoweredDeclarationOrigin.GENERATED_PROPERTY_REFERENCE -> 1
                     IrDeclarationOrigin.FIELD_FOR_ENUM_ENTRY -> 2
                     IrDeclarationOrigin.FIELD_FOR_ENUM_VALUES -> 3
-                    IrDeclarationOrigin.FIELD_FOR_OBJECT_INSTANCE -> 4
-                    else -> 5
+                    IrDeclarationOrigin.FIELD_FOR_ENUM_ENTRIES -> 4
+                    IrDeclarationOrigin.FIELD_FOR_OBJECT_INSTANCE -> 5
+                    else -> 6
                 }
             }
             irClass.addFunction {

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

@@ -0,0 +1,16 @@
+// !LANGUAGE: +EnumEntries
+// IGNORE_BACKEND: JVM, JS
+// WITH_STDLIB
+
+enum class MyEnum {
+    OK, NOPE;
+
+    companion object {
+        @OptIn(ExperimentalStdlibApi::class)
+        val ok = entries[0]
+    }
+}
+
+fun box(): String {
+    return MyEnum.ok.toString()
+}

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

@@ -16295,6 +16295,12 @@ public class BlackBoxCodegenTestGenerated extends AbstractBlackBoxCodegenTest {
             runTest("compiler/testData/codegen/box/enum/enumEntries.kt");
         }
 
+        @Test
+        @TestMetadata("enumEntriesInCompanion.kt")
+        public void testEnumEntriesInCompanion() throws Exception {
+            runTest("compiler/testData/codegen/box/enum/enumEntriesInCompanion.kt");
+        }
+
         @Test
         @TestMetadata("enumEntriesMultimoduleNoMappings.kt")
         public void testEnumEntriesMultimoduleNoMappings() throws Exception {

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

@@ -16649,6 +16649,12 @@ public class IrBlackBoxCodegenTestGenerated extends AbstractIrBlackBoxCodegenTes
             runTest("compiler/testData/codegen/box/enum/enumEntriesFromJava.kt");
         }
 
+        @Test
+        @TestMetadata("enumEntriesInCompanion.kt")
+        public void testEnumEntriesInCompanion() throws Exception {
+            runTest("compiler/testData/codegen/box/enum/enumEntriesInCompanion.kt");
+        }
+
         @Test
         @TestMetadata("enumEntriesMultimodule.kt")
         public void testEnumEntriesMultimodule() throws Exception {

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

@@ -16649,6 +16649,12 @@ public class IrBlackBoxCodegenWithIrInlinerTestGenerated extends AbstractIrBlack
             runTest("compiler/testData/codegen/box/enum/enumEntriesFromJava.kt");
         }
 
+        @Test
+        @TestMetadata("enumEntriesInCompanion.kt")
+        public void testEnumEntriesInCompanion() throws Exception {
+            runTest("compiler/testData/codegen/box/enum/enumEntriesInCompanion.kt");
+        }
+
         @Test
         @TestMetadata("enumEntriesMultimodule.kt")
         public void testEnumEntriesMultimodule() throws Exception {

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

@@ -13366,6 +13366,11 @@ public class LightAnalysisModeTestGenerated extends AbstractLightAnalysisModeTes
             runTest("compiler/testData/codegen/box/enum/enumEntries.kt");
         }
 
+        @TestMetadata("enumEntriesInCompanion.kt")
+        public void ignoreEnumEntriesInCompanion() throws Exception {
+            runTest("compiler/testData/codegen/box/enum/enumEntriesInCompanion.kt");
+        }
+
         @TestMetadata("enumEntriesMultimoduleNoMappings.kt")
         public void ignoreEnumEntriesMultimoduleNoMappings() throws Exception {
             runTest("compiler/testData/codegen/box/enum/enumEntriesMultimoduleNoMappings.kt");