DR101, PR12770: If a function is declared in the same context as a
using-declaration, and they declare the same function (either because
the using-declaration is in the same namespace as the declaration it
imports, or because they're both extern "C"), they do not conflict.

llvm-svn: 200897
diff --git a/clang/lib/Sema/SemaDeclCXX.cpp b/clang/lib/Sema/SemaDeclCXX.cpp
index fbaf511..a16c843 100644
--- a/clang/lib/Sema/SemaDeclCXX.cpp
+++ b/clang/lib/Sema/SemaDeclCXX.cpp
@@ -7252,7 +7252,7 @@
     case Ovl_NonFunction:
       Diag(Using->getLocation(), diag::err_using_decl_conflict);
       break;
-      
+
     // We found a decl with the exact signature.
     case Ovl_Match:
       // If we're in a record, we want to hide the target, so we