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| author | Marshall Clow <mclow.lists@gmail.com> | 2017-11-22 19:49:03 +0000 |
|---|---|---|
| committer | Marshall Clow <mclow.lists@gmail.com> | 2017-11-22 19:49:03 +0000 |
| commit | aa0e236289a6643641c6d268deb69e0013d5112a (patch) | |
| tree | 4e44eab88717d64a82eab8f34ead8ef142d2ecf9 /include/__config | |
| parent | bd858589df5f68c1d7521b882b18c8b72a4c86e7 (diff) | |
Implement p0137r1 - std::launder. Reviewed as https://reviews.llvm.org/D40144
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@318864 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'include/__config')
| -rw-r--r-- | include/__config | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/include/__config b/include/__config index 561eb36ac..70a34e1c0 100644 --- a/include/__config +++ b/include/__config @@ -456,6 +456,10 @@ namespace std { #define _LIBCPP_DISABLE_UBSAN_UNSIGNED_INTEGER_CHECK __attribute__((__no_sanitize__("unsigned-integer-overflow"))) #endif +#if __has_builtin(__builtin_launder) +#define _LIBCPP_COMPILER_HAS_BUILTIN_LAUNDER +#endif + #elif defined(_LIBCPP_COMPILER_GCC) #define _ALIGNAS(x) __attribute__((__aligned__(x))) @@ -538,6 +542,10 @@ namespace std { #define _LIBCPP_HAS_NO_ASAN #endif +#if _GNUC_VER >= 700 +#define _LIBCPP_COMPILER_HAS_BUILTIN_LAUNDER +#endif + #elif defined(_LIBCPP_COMPILER_MSVC) #define _LIBCPP_TOSTRING2(x) #x |