[Bug middle-end/80042] gcc thinks sin/cos don't set errno

[craig.topper at gmail dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80042

--- Comment #3 from Craig Topper <craig.topper at gmail dot com> ---
No -fmath-errno has no effect. It does have effect on other functions such as
cosh or acos.