Move the overloading logic of Sema::ActOnCallExpr to a separate function

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@60093 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Sema/Sema.h b/lib/Sema/Sema.h
index 4d0340b..cf9b10c 100644
--- a/lib/Sema/Sema.h
+++ b/lib/Sema/Sema.h
@@ -447,6 +447,12 @@
                                                    bool Complain);
   void FixOverloadedFunctionReference(Expr *E, FunctionDecl *Fn);
 
+  Expr *ResolveOverloadedCallFn(Expr *Fn, OverloadedFunctionDecl *Ovl,
+                                SourceLocation LParenLoc,
+                                Expr **Args, unsigned NumArgs,
+                                SourceLocation *CommaLocs, 
+                                SourceLocation RParenLoc);
+
   ExprResult 
   BuildCallToObjectOfClassType(Expr *Object, SourceLocation LParenLoc,
                                Expr **Args, unsigned NumArgs,