| commit | 3d4cc68b8b748ea31a8d4ab5400f8307718aabe0 | [log] [tgz] |
|---|---|---|
| author | Marshall Clow <mclow.lists@gmail.com> | Thu Jan 12 16:25:07 2017 +0000 |
| committer | Marshall Clow <mclow.lists@gmail.com> | Thu Jan 12 16:25:07 2017 +0000 |
| tree | 54f9191a7451332bc9420e28533a0f5572e24a76 | |
| parent | 8a00aeeed18def14c3422bd23229ae68514d05ab [diff] |
Add new macro _LIBCPP_BUILTIN_MEMCMP_ISCONSTEXPR to use in std::char_traits. This tells whether or not the builtin function __builtin_memcmp is constexpr. Only defined for clang 4.0 and later, and not true for any shipping version of Apple's clang. llvm-svn: 291773