diff --git a/core/org.eclipse.cdt.core.tests/parser/org/eclipse/cdt/core/parser/tests/ast2/AST2CPPTests.java b/core/org.eclipse.cdt.core.tests/parser/org/eclipse/cdt/core/parser/tests/ast2/AST2CPPTests.java
index 39bdcef9e6b..092a8d96d95 100644
--- a/core/org.eclipse.cdt.core.tests/parser/org/eclipse/cdt/core/parser/tests/ast2/AST2CPPTests.java
+++ b/core/org.eclipse.cdt.core.tests/parser/org/eclipse/cdt/core/parser/tests/ast2/AST2CPPTests.java
@@ -6297,4 +6297,20 @@ public class AST2CPPTests extends AST2BaseTest {
 		ba.assertNonProblem("y) {", 1, ICPPField.class);
 		ba.assertProblem("y; // y is not defined", 1);
     }
+
+	//  class A {
+	//    int method(int a = GREEN) {
+	//      return RED;
+	//    }
+    //    int x = GREEN; // GREEN is not defined
+	//    enum Color {
+	//      RED, GREEN
+	//    };
+	//  };
+    public void testScopeOfClassMember_259648() throws Exception {
+		BindingAssertionHelper ba= new BindingAssertionHelper(getAboveComment(), true);
+		ba.assertNonProblem("GREEN)", 5, IEnumerator.class);
+		ba.assertNonProblem("RED;", 3, IEnumerator.class);
+		ba.assertProblem("GREEN;", 5);
+    }
 }
diff --git a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/dom/parser/cpp/semantics/CPPSemantics.java b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/dom/parser/cpp/semantics/CPPSemantics.java
index 9c2a5d9adc3..691bb083e22 100644
--- a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/dom/parser/cpp/semantics/CPPSemantics.java
+++ b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/dom/parser/cpp/semantics/CPPSemantics.java
@@ -1742,8 +1742,10 @@ public class CPPSemantics {
         	if (temp instanceof IProblemBinding)
 	        	continue;
 
-	        if (!(temp instanceof ICPPMember) && !(temp instanceof IType) && !declaredBefore)
+	        if (!declaredBefore && !(temp instanceof ICPPMember) && !(temp instanceof IType) &&
+	        		!(temp instanceof IEnumerator)) {
                 continue;
+	        }
 	        if (temp instanceof ICPPUsingDeclaration) {
 	        	IBinding[] bindings = ((ICPPUsingDeclaration) temp).getDelegates();
 	        	mergeResults(data, bindings, false);