diff --git a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/dom/parser/cpp/semantics/AccessContext.java b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/dom/parser/cpp/semantics/AccessContext.java
index c42cef4314e..6d4a4621438 100644
--- a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/dom/parser/cpp/semantics/AccessContext.java
+++ b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/dom/parser/cpp/semantics/AccessContext.java
@@ -173,22 +173,27 @@ public class AccessContext {
 		return true;
 	}
 
+	// Return true if 'c' is the same type as 'target', or a specialization of 'target'.
+	private static boolean isSameTypeOrSpecialization(ICPPClassType c, ICPPClassType target) {
+		if (!(c instanceof ICPPSpecialization)) {
+			while (target instanceof ICPPSpecialization) {
+				IBinding specialized = ((ICPPSpecialization) target).getSpecializedBinding();
+				if (specialized instanceof ICPPClassType) {
+					target = (ICPPClassType) specialized;
+				}
+			}
+		}
+		return c.isSameType(target);
+	}
+	
 	private boolean isAccessible(IBinding binding, int bindingVisibility, ICPPClassType owner,
 			ICPPClassType derivedClass, int accessLevel, int depth) {
 		if (depth > CPPSemantics.MAX_INHERITANCE_DEPTH)
 			return false;
 
 		accessLevel = getMemberAccessLevel(derivedClass, accessLevel);
-		
-		if (!(owner instanceof ICPPSpecialization)) {
-			while (derivedClass instanceof ICPPSpecialization) {
-				IBinding specialized = ((ICPPSpecialization) derivedClass).getSpecializedBinding();
-				if (specialized instanceof ICPPClassType) {
-					derivedClass = (ICPPClassType) specialized;
-				}
-			}
-		}
-		if (owner.isSameType(derivedClass)) {
+	
+		if (isSameTypeOrSpecialization(owner, derivedClass)) {
 			return isAccessible(bindingVisibility, accessLevel);
 		}
 
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 0b4a9689770..256bf4063b4 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
@@ -1706,4 +1706,20 @@ public class CompletionTests extends AbstractContentAssistTest {
 		assertCompletionResults(fCursorOffset, expected, DISPLAY);
 		assertDotReplacedWithArrow();
 	}
+	
+	//	struct A {
+	//	    void foo();
+	//	};
+	//
+	//	template <class T>
+	//	class C : public T {};
+	//
+	//	int main() {
+	//	    C<A> c;
+	//	    c./*cursor*/
+	//	}
+	public void testInheritanceFromTemplateParameter_bug466861() throws Exception {
+		final String[] expected = { "A", "C", "foo(void)" };
+		assertCompletionResults(fCursorOffset, expected, ID);
+	}
 }