diff --git a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/dom/parser/cpp/CPPASTQualifiedName.java b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/dom/parser/cpp/CPPASTQualifiedName.java
index c5cccbe6766..7c155a08974 100644
--- a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/dom/parser/cpp/CPPASTQualifiedName.java
+++ b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/dom/parser/cpp/CPPASTQualifiedName.java
@@ -1,5 +1,5 @@
 /*******************************************************************************
- * Copyright (c) 2004, 2013 IBM Corporation and others.
+ * Copyright (c) 2004, 2014 IBM Corporation and others.
  * All rights reserved. This program and the accompanying materials
  * are made available under the terms of the Eclipse Public License v1.0
  * which accompanies this distribution, and is available at
@@ -31,6 +31,7 @@ import org.eclipse.cdt.core.dom.ast.IEnumerator;
 import org.eclipse.cdt.core.dom.ast.IField;
 import org.eclipse.cdt.core.dom.ast.IScope;
 import org.eclipse.cdt.core.dom.ast.IType;
+import org.eclipse.cdt.core.dom.ast.ITypedef;
 import org.eclipse.cdt.core.dom.ast.cpp.ICPPASTConversionName;
 import org.eclipse.cdt.core.dom.ast.cpp.ICPPASTName;
 import org.eclipse.cdt.core.dom.ast.cpp.ICPPASTNameSpecifier;
@@ -325,9 +326,15 @@ public class CPPASTQualifiedName extends CPPASTNameBase
 	@Override
 	public IBinding[] findBindings(IASTName n, boolean isPrefix, String[] namespaces) {
 		IBinding[] bindings = CPPSemantics.findBindingsForContentAssist(n, isPrefix, namespaces);
-		
+
 		if (fQualifierPos >= 0) {
 			IBinding binding = fQualifier[fQualifierPos].resolveBinding();
+
+			while (binding instanceof ITypedef) {
+				ITypedef typedef = (ITypedef) binding;
+				binding = (IBinding) typedef.getType();
+			}
+
 			if (binding instanceof ICPPClassType) {
 				ICPPClassType classType = (ICPPClassType) binding;
 				final boolean isDeclaration = getParent().getParent() instanceof IASTSimpleDeclaration;
diff --git a/core/org.eclipse.cdt.ui.tests/ui/org/eclipse/cdt/ui/tests/text/contentassist2/CompletionTests.java b/core/org.eclipse.cdt.ui.tests/ui/org/eclipse/cdt/ui/tests/text/contentassist2/CompletionTests.java
index ffd6cd8f83b..8e0065511bc 100644
--- a/core/org.eclipse.cdt.ui.tests/ui/org/eclipse/cdt/ui/tests/text/contentassist2/CompletionTests.java
+++ b/core/org.eclipse.cdt.ui.tests/ui/org/eclipse/cdt/ui/tests/text/contentassist2/CompletionTests.java
@@ -17,6 +17,11 @@
  *******************************************************************************/
 package org.eclipse.cdt.ui.tests.text.contentassist2;
 
+import static org.eclipse.cdt.ui.tests.text.contentassist2.AbstractContentAssistTest.CompareType.CONTEXT;
+import static org.eclipse.cdt.ui.tests.text.contentassist2.AbstractContentAssistTest.CompareType.DISPLAY;
+import static org.eclipse.cdt.ui.tests.text.contentassist2.AbstractContentAssistTest.CompareType.ID;
+import static org.eclipse.cdt.ui.tests.text.contentassist2.AbstractContentAssistTest.CompareType.REPLACEMENT;
+
 import java.io.File;
 import java.io.IOException;
 import java.util.HashSet;
@@ -36,8 +41,6 @@ import org.eclipse.cdt.ui.CUIPlugin;
 
 import org.eclipse.cdt.internal.ui.text.contentassist.ContentAssistPreference;
 
-import static org.eclipse.cdt.ui.tests.text.contentassist2.AbstractContentAssistTest.CompareType.*;
-
 /**
  * A collection of code completion tests.
  *
@@ -99,6 +102,7 @@ public class CompletionTests extends AbstractContentAssistTest {
 	//				void m1private();
 	//	};
 	//	typedef C1 T1;
+	//	using A1 = C1;
 	//
 	//	class C2 : public T1 {
 	//		public:
@@ -667,8 +671,7 @@ public class CompletionTests extends AbstractContentAssistTest {
 	//#  d/*cursor*/
 	public void testCompletePreprocessorDirective2() throws Exception {
 		final String[] expected= { "define " };
-		assertCompletionResults(fCursorOffset, expected,
-				REPLACEMENT);
+		assertCompletionResults(fCursorOffset, expected, REPLACEMENT);
 	}
 
 	//#  if d/*cursor*/
@@ -691,6 +694,18 @@ public class CompletionTests extends AbstractContentAssistTest {
 		assertCompletionResults(fCursorOffset, expected, ID);
 	}
 
+	//void f(){T1::~/*cursor*/
+	public void testTypedefSyntheticMembers_415495() throws Exception {
+		final String[] expected= {};
+		assertCompletionResults(fCursorOffset, expected, REPLACEMENT);
+	}
+
+	//void f(){A1::~/*cursor*/
+	public void testAliasSyntheticMembers_415495() throws Exception {
+		final String[] expected= {};
+		assertCompletionResults(fCursorOffset, expected, REPLACEMENT);
+	}
+
 	//	struct A {};
 	//
 	//	template<typename T>