Appy constexpr to <memory>. Picked up a few missing noexcepts as well.

git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@159902 91177308-0d34-0410-b5e6-96231b3b80d8
2012-07-07 20:56:04 +00:00
parent 384608e90d
commit 46e9493c68
3 changed files with 30 additions and 14 deletions
--- a/include/tuple
+++ b/include/tuple
@@ -130,7 +130,11 @@ _LIBCPP_BEGIN_NAMESPACE_STD

 struct _LIBCPP_VISIBLE allocator_arg_t { };

+#if defined(_LIBCPP_HAS_NO_CONSTEXPR) || defined(_LIBCPP_BUILDING_MEMORY)
 extern const allocator_arg_t allocator_arg;
+#else
+constexpr allocator_arg_t allocator_arg = allocator_arg_t();
+#endif

 // uses_allocator