diff options
Diffstat (limited to 'libstdc++-v3/libsupc++/new')
| -rw-r--r-- | libstdc++-v3/libsupc++/new | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/libstdc++-v3/libsupc++/new b/libstdc++-v3/libsupc++/new index 795b33c4e6a..0e408b1019c 100644 --- a/libstdc++-v3/libsupc++/new +++ b/libstdc++-v3/libsupc++/new @@ -176,7 +176,7 @@ inline void operator delete[](void*, void*) _GLIBCXX_USE_NOEXCEPT { } //@} } // extern "C++" -#if __cplusplus > 201402L +#if __cplusplus >= 201703L #if __GNUC__ >= 7 # define _GLIBCXX_HAVE_BUILTIN_LAUNDER 1 #elif defined __has_builtin @@ -192,7 +192,7 @@ namespace std #define __cpp_lib_launder 201606 /// Pointer optimization barrier [ptr.launder] template<typename _Tp> - constexpr _Tp* + [[nodiscard]] constexpr _Tp* launder(_Tp* __p) noexcept { return __builtin_launder(__p); } |