[FIR2IR] Use cached IrEnumEntry when available in Fir2IrConverter

Calling createIrEnumEntry lead to "IllegalStateException:
Fir2IrEnumEntrySymbol for [declaration] is already bound" when the
IrEnumEntry was already created previously, e.g. by an annotation call
referencing it.

^KT-54079 Fixed

compiler/fir/fir2ir/src/org/jetbrains/kotlin/fir/backend/Fir2IrConverter.kt

@@ -403,7 +403,7 @@ class Fir2IrConverter(
                 null
             }
             is FirEnumEntry -> {
-                classifierStorage.createIrEnumEntry(declaration, parent as IrClass)
+                classifierStorage.getIrEnumEntry(declaration, parent as IrClass)
             }
             is FirAnonymousInitializer -> {
                 declarationStorage.createIrAnonymousInitializer(declaration, parent as IrClass)

compiler/fir/fir2ir/testData/codegen/boxWithStdLib/enum/k54079.kt

@@ -0,0 +1,41 @@
+open class Arguments {
+    @GradleOption(
+        value = DefaultValue.BOOLEAN_FALSE_DEFAULT,
+        gradleInputType = GradleInputTypes.INPUT,
+    )
+    val useK2: Boolean by lazy { false }
+}
+
+class JvmArguments : Arguments() {
+    @GradleOption(
+        value = DefaultValue.BOOLEAN_FALSE_DEFAULT,
+        gradleInputType = GradleInputTypes.INPUT,
+    )
+    val specific: Boolean by lazy { true }
+}
+
+@Retention(AnnotationRetention.RUNTIME)
+annotation class GradleOption(
+    val value: DefaultValue,
+    val gradleInputType: GradleInputTypes
+)
+
+enum class GradleInputTypes(
+    val typeAsString: String
+) {
+    INPUT("org.gradle.api.tasks.Input"),
+    INTERNAL("org.gradle.api.tasks.Internal");
+
+    override fun toString(): String {
+        return typeAsString
+    }
+}
+
+enum class DefaultValue {
+    BOOLEAN_FALSE_DEFAULT,
+    BOOLEAN_TRUE_DEFAULT,
+}
+
+fun box(): String {
+    return "OK"
+}

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

@@ -129,6 +129,22 @@ public class FirSpecificBlackBoxCodegenTestGenerated extends AbstractFirBlackBox
             KtTestUtil.assertAllTestsPresentByMetadataWithExcluded(this.getClass(), new File("compiler/fir/fir2ir/testData/codegen/boxWithStdLib"), Pattern.compile("^(.+)\\.kt$"), null, TargetBackend.JVM_IR, true);
         }
 
+        @Nested
+        @TestMetadata("compiler/fir/fir2ir/testData/codegen/boxWithStdLib/enum")
+        @TestDataPath("$PROJECT_ROOT")
+        public class Enum {
+            @Test
+            public void testAllFilesPresentInEnum() throws Exception {
+                KtTestUtil.assertAllTestsPresentByMetadataWithExcluded(this.getClass(), new File("compiler/fir/fir2ir/testData/codegen/boxWithStdLib/enum"), Pattern.compile("^(.+)\\.kt$"), null, TargetBackend.JVM_IR, true);
+            }
+
+            @Test
+            @TestMetadata("k54079.kt")
+            public void testK54079() throws Exception {
+                runTest("compiler/fir/fir2ir/testData/codegen/boxWithStdLib/enum/k54079.kt");
+            }
+        }
+
         @Nested
         @TestMetadata("compiler/fir/fir2ir/testData/codegen/boxWithStdLib/properties")
         @TestDataPath("$PROJECT_ROOT")