https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83353
--- Comment #1 from Alexander Zaitsev <zamazan4ik at tut dot by> --- The same issue about cos(acos(x)).
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83353
--- Comment #1 from Alexander Zaitsev <zamazan4ik at tut dot by> --- The same issue about cos(acos(x)).