[Bug libstdc++/117650] __glibcxx_assert_fail should be marked __attribute__((cold))

[redi at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=117650

--- Comment #6 from Jonathan Wakely <redi at gcc dot gnu.org> ---
We could add _GLIBCXX_NORETURN_COLD for the cases where we want both.