N3123

llvm-svn: 119906
Cr-Mirrored-From: sso://chromium.googlesource.com/_direct/external/github.com/llvm/llvm-project
Cr-Mirrored-Commit: 092980dd65c551263c2bfc6e2a932b2f5b19a13f
diff --git a/include/__tuple b/include/__tuple
index 22134a2..72e36fb 100644
--- a/include/__tuple
+++ b/include/__tuple
@@ -240,7 +240,7 @@
 template <class _Tp0, class ..._Tp, class _Up0, class ..._Up>
 struct __tuple_assignable_imp<true, __tuple_types<_Tp0, _Tp...>, __tuple_types<_Up0, _Up...>>
     : public integral_constant<bool,
-                               __is_assignable<_Up0&, _Tp0>::value &&
+                               is_assignable<_Up0&, _Tp0>::value &&
                                __tuple_assignable_imp<true, __tuple_types<_Tp...>, __tuple_types<_Up...>>::value> {};
 
 template <>