Transition the last acceptable-result filter kind in LookupResult over to use
a simple IDNS mask by introducing a namespace for non-member operators.

llvm-svn: 102215
diff --git a/clang/lib/Sema/SemaDecl.cpp b/clang/lib/Sema/SemaDecl.cpp
index cc57bdd..7d2d866 100644
--- a/clang/lib/Sema/SemaDecl.cpp
+++ b/clang/lib/Sema/SemaDecl.cpp
@@ -3269,6 +3269,12 @@
     NewFD->setAccess(Access);
   }
 
+  if (NewFD->isOverloadedOperator() && !DC->isRecord() &&
+      NewFD->isInIdentifierNamespace(Decl::IDNS_Ordinary)) {
+    NewFD->setNonMemberOperator();
+    if (FunctionTemplate) FunctionTemplate->setNonMemberOperator();
+  }
+
   // If we have a function template, check the template parameter
   // list. This will check and merge default template arguments.
   if (FunctionTemplate) {