[Bug libstdc++/100017] [11 regression] error: 'fenv_t' has not been declared in '::' -- canadian compilation fails

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100017

--- Comment #79 from Jonathan Wakely <redi at gcc dot gnu.org> ---
I'm doing that now.