Make sure [at_]quick_exit is in std:: git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@152717 91177308-0d34-0410-b5e6-96231b3b80d8 
diff --git a/include/__config b/include/__config index e0b9582..6b29014 100644 --- a/include/__config +++ b/include/__config 
@@ -245,6 +245,10 @@  #define _LIBCPP_HAS_NO_CONSTEXPR  #endif   +#if __FreeBSD__ +#define _LIBCPP_HAS_QUICK_EXIT +#endif +  #if (__has_feature(cxx_noexcept))  # define _NOEXCEPT noexcept  # define _NOEXCEPT_(x) noexcept(x)