diff --git a/lib/AST/NestedNameSpecifier.cpp b/lib/AST/NestedNameSpecifier.cpp
index 0376f9d..0c24c89 100644
--- a/lib/AST/NestedNameSpecifier.cpp
+++ b/lib/AST/NestedNameSpecifier.cpp
@@ -75,7 +75,17 @@
   Mockup.Specifier = T;
   return FindOrInsert(Context, Mockup);
 }
-  
+
+NestedNameSpecifier *
+NestedNameSpecifier::Create(ASTContext &Context, IdentifierInfo *II) {
+  assert(II && "Identifier cannot be NULL");
+  NestedNameSpecifier Mockup;
+  Mockup.Prefix.setPointer(0);
+  Mockup.Prefix.setInt(Identifier);
+  Mockup.Specifier = II;
+  return FindOrInsert(Context, Mockup);
+}
+
 NestedNameSpecifier *NestedNameSpecifier::GlobalSpecifier(ASTContext &Context) {
   if (!Context.GlobalNestedNameSpecifier)
     Context.GlobalNestedNameSpecifier = new (Context, 4) NestedNameSpecifier();