Don't generate default no-args constructor for enums

#KT-8438 Fixed

compiler/backend/src/org/jetbrains/kotlin/codegen/DefaultParameterValueSubstitutor.kt

@@ -206,6 +206,7 @@ public class DefaultParameterValueSubstitutor(val state: GenerationState) {
 
     private fun isEmptyConstructorNeeded(constructorDescriptor: ConstructorDescriptor, classOrObject: JetClassOrObject): Boolean {
         val classDescriptor = constructorDescriptor.getContainingDeclaration()
+        if (classDescriptor.getKind() != ClassKind.CLASS) return false
 
         if (classOrObject.isLocal()) return false
 

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

@@ -0,0 +1,9 @@
+// KT-8438 org.jetbrains.org.objectweb.asm.tree.analysis.AnalyzerException: Error at instruction 4: Cannot pop operand off an empty stack
+
+enum class E public constructor(x: String = "OK") {
+    ENTRY();
+
+    val result = x
+}
+
+fun box(): String = E.ENTRY.result

compiler/tests/org/jetbrains/kotlin/codegen/generated/BlackBoxCodegenTestGenerated.java

@@ -3475,6 +3475,12 @@ public class BlackBoxCodegenTestGenerated extends AbstractBlackBoxCodegenTest {
             doTest(fileName);
         }
 
+        @TestMetadata("publicConstructorWithDefault.kt")
+        public void testPublicConstructorWithDefault() throws Exception {
+            String fileName = JetTestUtils.navigationMetadata("compiler/testData/codegen/box/enum/publicConstructorWithDefault.kt");
+            doTest(fileName);
+        }
+
         @TestMetadata("simple.kt")
         public void testSimple() throws Exception {
             String fileName = JetTestUtils.navigationMetadata("compiler/testData/codegen/box/enum/simple.kt");