Redundant modifier targets introduced (abstract / open on interface, final on enum or object)

compiler/testData/diagnostics/tests/modifiers/redundantTargets.kt

@@ -0,0 +1,10 @@
+<!REDUNDANT_MODIFIER_FOR_TARGET!>open<!> interface First
+
+<!REDUNDANT_MODIFIER_FOR_TARGET!>abstract<!> interface Second
+
+<!REDUNDANT_MODIFIER_FOR_TARGET!>final<!> enum class Third {
+    FOURTH, 
+    FIFTH
+}
+
+<!REDUNDANT_MODIFIER_FOR_TARGET!>final<!> object Sixth

compiler/testData/diagnostics/tests/modifiers/redundantTargets.txt

@@ -0,0 +1,54 @@
+package
+
+internal interface First {
+    public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+    public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
+    public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
+}
+
+internal interface Second {
+    public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+    public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
+    public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
+}
+
+internal object Sixth {
+    private constructor Sixth()
+    public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+    public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
+    public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
+}
+
+internal final enum class Third : kotlin.Enum<Third> {
+    public enum entry FOURTH : Third {
+        private constructor FOURTH()
+        public final override /*1*/ /*fake_override*/ fun compareTo(/*0*/ other: Third): 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 FIFTH : Third {
+        private constructor FIFTH()
+        public final override /*1*/ /*fake_override*/ fun compareTo(/*0*/ other: Third): 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 Third()
+    public final override /*1*/ /*fake_override*/ fun compareTo(/*0*/ other: Third): 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): Third
+    public final /*synthesized*/ fun values(): kotlin.Array<Third>
+}