Add test on accidental redeclaration of final members from java.lang.Enum

This is working because of the additional built-ins members added in 1.1

compiler/testData/diagnostics/tests/duplicateJvmSignature/finalMembersFromBuiltIns/enumMembers.kt

@@ -0,0 +1,6 @@
+enum class E {
+    ENTRY;
+
+    <!VIRTUAL_MEMBER_HIDDEN!>fun getDeclaringClass()<!> {}
+    <!VIRTUAL_MEMBER_HIDDEN!>fun finalize()<!> {}
+}

compiler/testData/diagnostics/tests/duplicateJvmSignature/finalMembersFromBuiltIns/enumMembers.txt

@@ -0,0 +1,20 @@
+package
+
+public final enum class E : kotlin.Enum<E> {
+    enum entry ENTRY
+
+    private constructor E()
+    public final override /*1*/ /*fake_override*/ val name: kotlin.String
+    public final override /*1*/ /*fake_override*/ val ordinal: kotlin.Int
+    protected final override /*1*/ /*fake_override*/ fun clone(): kotlin.Any
+    public final override /*1*/ /*fake_override*/ fun compareTo(/*0*/ other: E): kotlin.Int
+    public final override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+    public final override /*1*/ /*isHiddenForResolutionEverywhereBesideSupercalls*/ fun finalize(): kotlin.Unit
+    public final override /*1*/ /*isHiddenForResolutionEverywhereBesideSupercalls*/ fun getDeclaringClass(): kotlin.Unit
+    public final override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
+    public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
+
+    // Static members
+    public final /*synthesized*/ fun valueOf(/*0*/ value: kotlin.String): E
+    public final /*synthesized*/ fun values(): kotlin.Array<E>
+}

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

@@ -5873,6 +5873,12 @@ public class DiagnosticsTestGenerated extends AbstractDiagnosticsTest {
                     KotlinTestUtils.assertAllTestsPresentByMetadata(this.getClass(), new File("compiler/testData/diagnostics/tests/duplicateJvmSignature/finalMembersFromBuiltIns"), Pattern.compile("^(.+)\\.kt$"), true);
                 }
 
+                @TestMetadata("enumMembers.kt")
+                public void testEnumMembers() throws Exception {
+                    String fileName = KotlinTestUtils.navigationMetadata("compiler/testData/diagnostics/tests/duplicateJvmSignature/finalMembersFromBuiltIns/enumMembers.kt");
+                    doTest(fileName);
+                }
+
                 @TestMetadata("waitNotify.kt")
                 public void testWaitNotify() throws Exception {
                     String fileName = KotlinTestUtils.navigationMetadata("compiler/testData/diagnostics/tests/duplicateJvmSignature/finalMembersFromBuiltIns/waitNotify.kt");