[Bug libstdc++/100017] [11/12 regression] error: 'fenv_t' has not been declared in '::' -- cross toolchain fails to build

[unlvsur at live dot com]

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

--- Comment #24 from cqwrteur <unlvsur at live dot com> ---
(In reply to Jonathan Wakely from comment #22)
> *** Bug 101060 has been marked as a duplicate of this bug. ***

We can fix it today XDXD 

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