Minor: add diagnostic test for entries in enum with abstract members

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

@@ -0,0 +1,13 @@
+enum class EnumClass {
+    E1 {
+        override fun foo() = 1
+        override val bar: String = "a"
+    }
+
+    <!ABSTRACT_MEMBER_NOT_IMPLEMENTED!>E2<!> {
+
+    }
+
+    abstract fun foo(): Int
+    abstract val bar: String
+}

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

@@ -0,0 +1,60 @@
+package
+
+internal final enum class EnumClass : kotlin.Enum<EnumClass> {
+    private constructor EnumClass()
+    internal abstract val bar: kotlin.String
+    public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+    internal abstract fun foo(): kotlin.Int
+    public open 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 E1 : EnumClass {
+        private constructor E1()
+        internal open override /*1*/ val bar: kotlin.String = "a"
+        public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+        internal open override /*1*/ fun foo(): kotlin.Int
+        public open 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 class object <class-object-for-E1> : EnumClass.E1 {
+            private constructor <class-object-for-E1>()
+            internal open override /*1*/ /*fake_override*/ val bar: kotlin.String
+            public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+            internal open override /*1*/ /*fake_override*/ fun foo(): kotlin.Int
+            public open 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 E2 : EnumClass {
+        private constructor E2()
+        internal abstract override /*1*/ /*fake_override*/ val bar: kotlin.String
+        public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+        internal abstract override /*1*/ /*fake_override*/ fun foo(): kotlin.Int
+        public open 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 class object <class-object-for-E2> : EnumClass.E2 {
+            private constructor <class-object-for-E2>()
+            internal abstract override /*1*/ /*fake_override*/ val bar: kotlin.String
+            public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+            internal abstract override /*1*/ /*fake_override*/ fun foo(): kotlin.Int
+            public open 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): EnumClass
+    public final /*synthesized*/ fun values(): kotlin.Array<EnumClass>
+}

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

@@ -3775,6 +3775,12 @@ public class JetDiagnosticsTestGenerated extends AbstractJetDiagnosticsTest {
                 doTest(fileName);
             }
             
+            @TestMetadata("enumEntryInAbstractEnum.kt")
+            public void testEnumEntryInAbstractEnum() throws Exception {
+                String fileName = JetTestUtils.navigationMetadata("compiler/testData/diagnostics/tests/enum/enumEntryInAbstractEnum.kt");
+                doTest(fileName);
+            }
+            
             @TestMetadata("enumInheritance.kt")
             public void testEnumInheritance() throws Exception {
                 String fileName = JetTestUtils.navigationMetadata("compiler/testData/diagnostics/tests/enum/enumInheritance.kt");