https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80446
Jakub Jelinek <jakub at gcc dot gnu.org> changed:
What |Removed |Added
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CC| |jakub at gcc dot gnu.org
--- Comment #1 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
#if __GNUC__ >= 7
# define _GLIBCXX_HAVE_BUILTIN_LAUNDER 1
#elif defined __has_builtin
# if __has_builtin(__builtin_launder)
# define _GLIBCXX_HAVE_BUILTIN_LAUNDER 1
# endif
#endif
looks best to me.
