An implementation of KT-7753: now enum constructors cannot be called explicitly.

Several tests are provided.
 #KT-7753 Fixed.

compiler/frontend/src/org/jetbrains/kotlin/diagnostics/Errors.java

@@ -217,6 +217,7 @@ public interface Errors {
     DiagnosticFactory2<JetEnumEntry, ClassDescriptor, String> ENUM_ENTRY_USES_DEPRECATED_OR_NO_DELIMITER = DiagnosticFactory2.create(WARNING, DECLARATION_NAME);
     DiagnosticFactory1<JetEnumEntry, ClassDescriptor> ENUM_ENTRY_USES_DEPRECATED_SUPER_CONSTRUCTOR = DiagnosticFactory1.create(WARNING, DELEGATOR_SUPER_CALL);
     DiagnosticFactory1<JetEnumEntry, ClassDescriptor> ENUM_ENTRY_AFTER_ENUM_MEMBER = DiagnosticFactory1.create(WARNING, DECLARATION_NAME);
+    DiagnosticFactory0<JetCallExpression> ENUM_CLASS_CONSTRUCTOR_CALL = DiagnosticFactory0.create(ERROR);
 
     // Companion objects
 

compiler/frontend/src/org/jetbrains/kotlin/diagnostics/rendering/DefaultErrorMessages.java

@@ -261,6 +261,8 @@ public class DefaultErrorMessages {
         MAP.put(ENUM_ENTRY_USES_DEPRECATED_OR_NO_DELIMITER, "Enum entry ''{0}'' should have a correct delimiter ''{1}'' after it", NAME, STRING);
         MAP.put(ENUM_ENTRY_USES_DEPRECATED_SUPER_CONSTRUCTOR, "Enum entry ''{0}'' uses deprecated super constructor syntax, use ENTRY(arguments) instead", NAME);
         MAP.put(ENUM_ENTRY_AFTER_ENUM_MEMBER, "Enum entry ''{0}'' is not allowed after a member", NAME);
+        MAP.put(ENUM_CLASS_CONSTRUCTOR_CALL, "Enum types cannot be instantiated");
+
         MAP.put(DELEGATION_IN_TRAIT, "Interfaces cannot use delegation");
         MAP.put(DELEGATION_NOT_TO_TRAIT, "Only interfaces can be delegated to");
         MAP.put(DEPRECATED_TRAIT_KEYWORD, "'trait' keyword is deprecated, use 'interface' instead");

compiler/frontend/src/org/jetbrains/kotlin/resolve/calls/CallExpressionResolver.java

@@ -210,11 +210,14 @@ public class CallExpressionResolver {
             if (functionDescriptor == null) {
                 return TypeInfoFactoryPackage.noTypeInfo(context);
             }
-            if (functionDescriptor instanceof ConstructorDescriptor &&
-                DescriptorUtils.isAnnotationClass(functionDescriptor.getContainingDeclaration())) {
-                if (!canInstantiateAnnotationClass(callExpression)) {
+            if (functionDescriptor instanceof ConstructorDescriptor) {
+                if (DescriptorUtils.isAnnotationClass(functionDescriptor.getContainingDeclaration())
+                    && !canInstantiateAnnotationClass(callExpression)) {
                     context.trace.report(ANNOTATION_CLASS_CONSTRUCTOR_CALL.on(callExpression));
                 }
+                if (DescriptorUtils.isEnumClass(functionDescriptor.getContainingDeclaration())) {
+                    context.trace.report(ENUM_CLASS_CONSTRUCTOR_CALL.on(callExpression));
+                }
             }
 
             JetType type = functionDescriptor.getReturnType();

compiler/testData/diagnostics/tests/enum/ConstructorCallFromOutside.kt

@@ -0,0 +1,10 @@
+// KT-7753: attempt to call enum constructor explicitly
+enum class A(val c: Int) {
+    ONE(1),
+    TWO(2);    
+}
+
+fun createA(): A {
+    // Error should be here!
+    return <!ENUM_CLASS_CONSTRUCTOR_CALL!><!INVISIBLE_MEMBER!>A<!>(10)<!>
+}

compiler/testData/diagnostics/tests/enum/ConstructorCallFromOutside.txt

@@ -0,0 +1,40 @@
+package
+
+internal fun createA(): A
+
+internal final enum class A : kotlin.Enum<A> {
+    public enum entry ONE : A {
+        private constructor ONE()
+        internal final override /*1*/ /*fake_override*/ val c: kotlin.Int
+        public final override /*1*/ /*fake_override*/ fun compareTo(/*0*/ other: A): kotlin.Int
+        public final override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+        public final override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
+        public final override /*1*/ /*fake_override*/ fun name(): kotlin.String
+        public final override /*1*/ /*fake_override*/ fun ordinal(): kotlin.Int
+        public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
+    }
+
+    public enum entry TWO : A {
+        private constructor TWO()
+        internal final override /*1*/ /*fake_override*/ val c: kotlin.Int
+        public final override /*1*/ /*fake_override*/ fun compareTo(/*0*/ other: A): kotlin.Int
+        public final override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+        public final override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
+        public final override /*1*/ /*fake_override*/ fun name(): kotlin.String
+        public final override /*1*/ /*fake_override*/ fun ordinal(): kotlin.Int
+        public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
+    }
+
+    private constructor A(/*0*/ c: kotlin.Int)
+    internal final val c: kotlin.Int
+    public final override /*1*/ /*fake_override*/ fun compareTo(/*0*/ other: A): kotlin.Int
+    public final override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+    public final override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
+    public final override /*1*/ /*fake_override*/ fun name(): kotlin.String
+    public final override /*1*/ /*fake_override*/ fun ordinal(): kotlin.Int
+    public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
+
+    // Static members
+    public final /*synthesized*/ fun valueOf(/*0*/ value: kotlin.String): A
+    public final /*synthesized*/ fun values(): kotlin.Array<A>
+}

compiler/testData/diagnostics/tests/enum/ExplicitConstructorCall.kt

@@ -0,0 +1,10 @@
+// KT-7753: attempt to call enum constructor explicitly
+enum class A(val c: Int) {
+    ONE(1),
+    TWO(2);
+    
+    fun createA(): A {
+        // Error should be here!
+        return <!ENUM_CLASS_CONSTRUCTOR_CALL!>A(10)<!>
+    }
+}

compiler/testData/diagnostics/tests/enum/ExplicitConstructorCall.txt

@@ -0,0 +1,41 @@
+package
+
+internal final enum class A : kotlin.Enum<A> {
+    public enum entry ONE : A {
+        private constructor ONE()
+        internal final override /*1*/ /*fake_override*/ val c: kotlin.Int
+        public final override /*1*/ /*fake_override*/ fun compareTo(/*0*/ other: A): kotlin.Int
+        internal final override /*1*/ /*fake_override*/ fun createA(): A
+        public final override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+        public final override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
+        public final override /*1*/ /*fake_override*/ fun name(): kotlin.String
+        public final override /*1*/ /*fake_override*/ fun ordinal(): kotlin.Int
+        public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
+    }
+
+    public enum entry TWO : A {
+        private constructor TWO()
+        internal final override /*1*/ /*fake_override*/ val c: kotlin.Int
+        public final override /*1*/ /*fake_override*/ fun compareTo(/*0*/ other: A): kotlin.Int
+        internal final override /*1*/ /*fake_override*/ fun createA(): A
+        public final override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+        public final override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
+        public final override /*1*/ /*fake_override*/ fun name(): kotlin.String
+        public final override /*1*/ /*fake_override*/ fun ordinal(): kotlin.Int
+        public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
+    }
+
+    private constructor A(/*0*/ c: kotlin.Int)
+    internal final val c: kotlin.Int
+    public final override /*1*/ /*fake_override*/ fun compareTo(/*0*/ other: A): kotlin.Int
+    internal final fun createA(): A
+    public final override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+    public final override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
+    public final override /*1*/ /*fake_override*/ fun name(): kotlin.String
+    public final override /*1*/ /*fake_override*/ fun ordinal(): kotlin.Int
+    public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
+
+    // Static members
+    public final /*synthesized*/ fun valueOf(/*0*/ value: kotlin.String): A
+    public final /*synthesized*/ fun values(): kotlin.Array<A>
+}

compiler/testData/diagnostics/tests/enum/InsideEntryConstructorCall.kt

@@ -0,0 +1,15 @@
+// KT-7753: attempt to call enum constructor explicitly
+enum class A(val c: Int) {
+    ONE(1) {
+        override fun selfOrFriend(): A {
+            return this
+        }
+    },
+    TWO(2) {
+        override fun selfOrFriend(): A {
+            return <!ENUM_CLASS_CONSTRUCTOR_CALL!>A(42)<!>
+        }
+    };
+    
+    abstract fun selfOrFriend(): A
+}

compiler/testData/diagnostics/tests/enum/InsideEntryConstructorCall.txt

@@ -0,0 +1,41 @@
+package
+
+internal final enum class A : kotlin.Enum<A> {
+    public enum entry ONE : A {
+        private constructor ONE()
+        internal final override /*1*/ /*fake_override*/ val c: kotlin.Int
+        public final override /*1*/ /*fake_override*/ fun compareTo(/*0*/ other: A): kotlin.Int
+        public final override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+        public final override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
+        public final override /*1*/ /*fake_override*/ fun name(): kotlin.String
+        public final override /*1*/ /*fake_override*/ fun ordinal(): kotlin.Int
+        internal open override /*1*/ fun selfOrFriend(): A
+        public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
+    }
+
+    public enum entry TWO : A {
+        private constructor TWO()
+        internal final override /*1*/ /*fake_override*/ val c: kotlin.Int
+        public final override /*1*/ /*fake_override*/ fun compareTo(/*0*/ other: A): kotlin.Int
+        public final override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+        public final override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
+        public final override /*1*/ /*fake_override*/ fun name(): kotlin.String
+        public final override /*1*/ /*fake_override*/ fun ordinal(): kotlin.Int
+        internal open override /*1*/ fun selfOrFriend(): A
+        public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
+    }
+
+    private constructor A(/*0*/ c: kotlin.Int)
+    internal final val c: kotlin.Int
+    public final override /*1*/ /*fake_override*/ fun compareTo(/*0*/ other: A): kotlin.Int
+    public final override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+    public final override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
+    public final override /*1*/ /*fake_override*/ fun name(): kotlin.String
+    public final override /*1*/ /*fake_override*/ fun ordinal(): kotlin.Int
+    internal abstract fun selfOrFriend(): A
+    public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
+
+    // Static members
+    public final /*synthesized*/ fun valueOf(/*0*/ value: kotlin.String): A
+    public final /*synthesized*/ fun values(): kotlin.Array<A>
+}

compiler/testData/diagnostics/tests/enum/InsideSecondaryConstructorCall.kt

@@ -0,0 +1,13 @@
+// KT-7753: attempt to call enum constructor explicitly
+enum class A(val c: Int) {
+    ONE(1),
+    TWO(2),
+    THREE(3),
+    FOURTY_TWO();
+
+    var last: A? = null
+
+    constructor(): this(42) {
+        last = <!ENUM_CLASS_CONSTRUCTOR_CALL!>A(13)<!>
+    }
+}

compiler/testData/diagnostics/tests/enum/InsideSecondaryConstructorCall.txt

@@ -0,0 +1,66 @@
+package
+
+internal final enum class A : kotlin.Enum<A> {
+    public enum entry ONE : A {
+        private constructor ONE()
+        internal final override /*1*/ /*fake_override*/ val c: kotlin.Int
+        internal final override /*1*/ /*fake_override*/ var last: A?
+        public final override /*1*/ /*fake_override*/ fun compareTo(/*0*/ other: A): kotlin.Int
+        public final override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+        public final override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
+        public final override /*1*/ /*fake_override*/ fun name(): kotlin.String
+        public final override /*1*/ /*fake_override*/ fun ordinal(): kotlin.Int
+        public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
+    }
+
+    public enum entry TWO : A {
+        private constructor TWO()
+        internal final override /*1*/ /*fake_override*/ val c: kotlin.Int
+        internal final override /*1*/ /*fake_override*/ var last: A?
+        public final override /*1*/ /*fake_override*/ fun compareTo(/*0*/ other: A): kotlin.Int
+        public final override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+        public final override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
+        public final override /*1*/ /*fake_override*/ fun name(): kotlin.String
+        public final override /*1*/ /*fake_override*/ fun ordinal(): kotlin.Int
+        public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
+    }
+
+    public enum entry THREE : A {
+        private constructor THREE()
+        internal final override /*1*/ /*fake_override*/ val c: kotlin.Int
+        internal final override /*1*/ /*fake_override*/ var last: A?
+        public final override /*1*/ /*fake_override*/ fun compareTo(/*0*/ other: A): kotlin.Int
+        public final override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+        public final override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
+        public final override /*1*/ /*fake_override*/ fun name(): kotlin.String
+        public final override /*1*/ /*fake_override*/ fun ordinal(): kotlin.Int
+        public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
+    }
+
+    public enum entry FOURTY_TWO : A {
+        private constructor FOURTY_TWO()
+        internal final override /*1*/ /*fake_override*/ val c: kotlin.Int
+        internal final override /*1*/ /*fake_override*/ var last: A?
+        public final override /*1*/ /*fake_override*/ fun compareTo(/*0*/ other: A): kotlin.Int
+        public final override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+        public final override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
+        public final override /*1*/ /*fake_override*/ fun name(): kotlin.String
+        public final override /*1*/ /*fake_override*/ fun ordinal(): kotlin.Int
+        public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
+    }
+
+    private constructor A()
+    private constructor A(/*0*/ c: kotlin.Int)
+    internal final val c: kotlin.Int
+    internal final var last: A?
+    public final override /*1*/ /*fake_override*/ fun compareTo(/*0*/ other: A): kotlin.Int
+    public final override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+    public final override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
+    public final override /*1*/ /*fake_override*/ fun name(): kotlin.String
+    public final override /*1*/ /*fake_override*/ fun ordinal(): kotlin.Int
+    public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
+
+    // Static members
+    public final /*synthesized*/ fun valueOf(/*0*/ value: kotlin.String): A
+    public final /*synthesized*/ fun values(): kotlin.Array<A>
+}

compiler/testData/diagnostics/tests/enum/OldSyntaxConstructorCall.kt

@@ -0,0 +1,10 @@
+// KT-7753: attempt to call enum constructor explicitly
+enum class A(val c: Int) {
+    // No errors at both places, but warnings about deprecated
+    ONE: <!ENUM_ENTRY_USES_DEPRECATED_SUPER_CONSTRUCTOR!>A(1)<!>,
+    TWO: <!ENUM_ENTRY_USES_DEPRECATED_SUPER_CONSTRUCTOR!>A(2)<!>;
+    
+    fun getA(): A {
+        return ONE
+    }
+}

compiler/testData/diagnostics/tests/enum/OldSyntaxConstructorCall.txt

@@ -0,0 +1,41 @@
+package
+
+internal final enum class A : kotlin.Enum<A> {
+    public enum entry ONE : A {
+        private constructor ONE()
+        internal final override /*1*/ /*fake_override*/ val c: kotlin.Int
+        public final override /*1*/ /*fake_override*/ fun compareTo(/*0*/ other: A): kotlin.Int
+        public final override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+        internal final override /*1*/ /*fake_override*/ fun getA(): A
+        public final override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
+        public final override /*1*/ /*fake_override*/ fun name(): kotlin.String
+        public final override /*1*/ /*fake_override*/ fun ordinal(): kotlin.Int
+        public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
+    }
+
+    public enum entry TWO : A {
+        private constructor TWO()
+        internal final override /*1*/ /*fake_override*/ val c: kotlin.Int
+        public final override /*1*/ /*fake_override*/ fun compareTo(/*0*/ other: A): kotlin.Int
+        public final override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+        internal final override /*1*/ /*fake_override*/ fun getA(): A
+        public final override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
+        public final override /*1*/ /*fake_override*/ fun name(): kotlin.String
+        public final override /*1*/ /*fake_override*/ fun ordinal(): kotlin.Int
+        public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
+    }
+
+    private constructor A(/*0*/ c: kotlin.Int)
+    internal final val c: kotlin.Int
+    public final override /*1*/ /*fake_override*/ fun compareTo(/*0*/ other: A): kotlin.Int
+    public final override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+    internal final fun getA(): A
+    public final override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
+    public final override /*1*/ /*fake_override*/ fun name(): kotlin.String
+    public final override /*1*/ /*fake_override*/ fun ordinal(): kotlin.Int
+    public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
+
+    // Static members
+    public final /*synthesized*/ fun valueOf(/*0*/ value: kotlin.String): A
+    public final /*synthesized*/ fun values(): kotlin.Array<A>
+}

compiler/testData/diagnostics/tests/enum/SecondaryConstructorCall.kt

@@ -0,0 +1,9 @@
+// KT-7753 false positive: enum constructor can be called from secondary constructor
+enum class A(val c: Int) {
+    ONE(1),
+    TWO(2),
+    THREE(3),
+    FOURTY_TWO();
+
+    constructor(): this(42)   
+}

compiler/testData/diagnostics/tests/enum/SecondaryConstructorCall.txt

@@ -0,0 +1,61 @@
+package
+
+internal final enum class A : kotlin.Enum<A> {
+    public enum entry ONE : A {
+        private constructor ONE()
+        internal final override /*1*/ /*fake_override*/ val c: kotlin.Int
+        public final override /*1*/ /*fake_override*/ fun compareTo(/*0*/ other: A): kotlin.Int
+        public final override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+        public final override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
+        public final override /*1*/ /*fake_override*/ fun name(): kotlin.String
+        public final override /*1*/ /*fake_override*/ fun ordinal(): kotlin.Int
+        public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
+    }
+
+    public enum entry TWO : A {
+        private constructor TWO()
+        internal final override /*1*/ /*fake_override*/ val c: kotlin.Int
+        public final override /*1*/ /*fake_override*/ fun compareTo(/*0*/ other: A): kotlin.Int
+        public final override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+        public final override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
+        public final override /*1*/ /*fake_override*/ fun name(): kotlin.String
+        public final override /*1*/ /*fake_override*/ fun ordinal(): kotlin.Int
+        public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
+    }
+
+    public enum entry THREE : A {
+        private constructor THREE()
+        internal final override /*1*/ /*fake_override*/ val c: kotlin.Int
+        public final override /*1*/ /*fake_override*/ fun compareTo(/*0*/ other: A): kotlin.Int
+        public final override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+        public final override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
+        public final override /*1*/ /*fake_override*/ fun name(): kotlin.String
+        public final override /*1*/ /*fake_override*/ fun ordinal(): kotlin.Int
+        public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
+    }
+
+    public enum entry FOURTY_TWO : A {
+        private constructor FOURTY_TWO()
+        internal final override /*1*/ /*fake_override*/ val c: kotlin.Int
+        public final override /*1*/ /*fake_override*/ fun compareTo(/*0*/ other: A): kotlin.Int
+        public final override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+        public final override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
+        public final override /*1*/ /*fake_override*/ fun name(): kotlin.String
+        public final override /*1*/ /*fake_override*/ fun ordinal(): kotlin.Int
+        public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
+    }
+
+    private constructor A()
+    private constructor A(/*0*/ c: kotlin.Int)
+    internal final val c: kotlin.Int
+    public final override /*1*/ /*fake_override*/ fun compareTo(/*0*/ other: A): kotlin.Int
+    public final override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+    public final override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
+    public final override /*1*/ /*fake_override*/ fun name(): kotlin.String
+    public final override /*1*/ /*fake_override*/ fun ordinal(): kotlin.Int
+    public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
+
+    // Static members
+    public final /*synthesized*/ fun valueOf(/*0*/ value: kotlin.String): A
+    public final /*synthesized*/ fun values(): kotlin.Array<A>
+}

compiler/tests/org/jetbrains/kotlin/checkers/JetDiagnosticsTestGenerated.java

@@ -4185,6 +4185,12 @@ public class JetDiagnosticsTestGenerated extends AbstractJetDiagnosticsTest {
                 doTest(fileName);
             }
 
+            @TestMetadata("ConstructorCallFromOutside.kt")
+            public void testConstructorCallFromOutside() throws Exception {
+                String fileName = JetTestUtils.navigationMetadata("compiler/testData/diagnostics/tests/enum/ConstructorCallFromOutside.kt");
+                doTest(fileName);
+            }
+
             @TestMetadata("dontCreatePackageTypeForEnumEntry.kt")
             public void testDontCreatePackageTypeForEnumEntry() throws Exception {
                 String fileName = JetTestUtils.navigationMetadata("compiler/testData/diagnostics/tests/enum/dontCreatePackageTypeForEnumEntry.kt");
@@ -4329,6 +4335,12 @@ public class JetDiagnosticsTestGenerated extends AbstractJetDiagnosticsTest {
                 doTest(fileName);
             }
 
+            @TestMetadata("ExplicitConstructorCall.kt")
+            public void testExplicitConstructorCall() throws Exception {
+                String fileName = JetTestUtils.navigationMetadata("compiler/testData/diagnostics/tests/enum/ExplicitConstructorCall.kt");
+                doTest(fileName);
+            }
+
             @TestMetadata("extensionNamedAsEnumEntry.kt")
             public void testExtensionNamedAsEnumEntry() throws Exception {
                 String fileName = JetTestUtils.navigationMetadata("compiler/testData/diagnostics/tests/enum/extensionNamedAsEnumEntry.kt");
@@ -4353,6 +4365,18 @@ public class JetDiagnosticsTestGenerated extends AbstractJetDiagnosticsTest {
                 doTest(fileName);
             }
 
+            @TestMetadata("InsideEntryConstructorCall.kt")
+            public void testInsideEntryConstructorCall() throws Exception {
+                String fileName = JetTestUtils.navigationMetadata("compiler/testData/diagnostics/tests/enum/InsideEntryConstructorCall.kt");
+                doTest(fileName);
+            }
+
+            @TestMetadata("InsideSecondaryConstructorCall.kt")
+            public void testInsideSecondaryConstructorCall() throws Exception {
+                String fileName = JetTestUtils.navigationMetadata("compiler/testData/diagnostics/tests/enum/InsideSecondaryConstructorCall.kt");
+                doTest(fileName);
+            }
+
             @TestMetadata("javaEnumValueOfMethod.kt")
             public void testJavaEnumValueOfMethod() throws Exception {
                 String fileName = JetTestUtils.navigationMetadata("compiler/testData/diagnostics/tests/enum/javaEnumValueOfMethod.kt");
@@ -4407,6 +4431,12 @@ public class JetDiagnosticsTestGenerated extends AbstractJetDiagnosticsTest {
                 doTest(fileName);
             }
 
+            @TestMetadata("OldSyntaxConstructorCall.kt")
+            public void testOldSyntaxConstructorCall() throws Exception {
+                String fileName = JetTestUtils.navigationMetadata("compiler/testData/diagnostics/tests/enum/OldSyntaxConstructorCall.kt");
+                doTest(fileName);
+            }
+
             @TestMetadata("openMemberInEnum.kt")
             public void testOpenMemberInEnum() throws Exception {
                 String fileName = JetTestUtils.navigationMetadata("compiler/testData/diagnostics/tests/enum/openMemberInEnum.kt");
@@ -4419,6 +4449,12 @@ public class JetDiagnosticsTestGenerated extends AbstractJetDiagnosticsTest {
                 doTest(fileName);
             }
 
+            @TestMetadata("SecondaryConstructorCall.kt")
+            public void testSecondaryConstructorCall() throws Exception {
+                String fileName = JetTestUtils.navigationMetadata("compiler/testData/diagnostics/tests/enum/SecondaryConstructorCall.kt");
+                doTest(fileName);
+            }
+
             @TestMetadata("starImportNestedClassAndEntries.kt")
             public void testStarImportNestedClassAndEntries() throws Exception {
                 String fileName = JetTestUtils.navigationMetadata("compiler/testData/diagnostics/tests/enum/starImportNestedClassAndEntries.kt");