Consider a FunctionTemplate to be an overload all on its lonesome.  Track
this information through lookup rather than rederiving it.

llvm-svn: 89570
diff --git a/clang/lib/Sema/SemaCodeComplete.cpp b/clang/lib/Sema/SemaCodeComplete.cpp
index 203b421..6bf38e0 100644
--- a/clang/lib/Sema/SemaCodeComplete.cpp
+++ b/clang/lib/Sema/SemaCodeComplete.cpp
@@ -1472,13 +1472,15 @@
   NestedNameSpecifier *Qualifier;
   SourceRange QualifierRange;
   bool ArgumentDependentLookup;
+  bool Overloaded;
   bool HasExplicitTemplateArgs;
   const TemplateArgumentLoc *ExplicitTemplateArgs;
   unsigned NumExplicitTemplateArgs;
   
   DeconstructCallFunction(Fn, Fns, UnqualifiedName, Qualifier, QualifierRange,
-                          ArgumentDependentLookup, HasExplicitTemplateArgs,
-                          ExplicitTemplateArgs, NumExplicitTemplateArgs);
+                          ArgumentDependentLookup, Overloaded,
+                          HasExplicitTemplateArgs, ExplicitTemplateArgs,
+                          NumExplicitTemplateArgs);
 
   
   // FIXME: What if we're calling something that isn't a function declaration?