[Bug tree-optimization/83353] Missed optimization in math expression: sin(asin(a)) == a

[zamazan4ik at tut dot by]

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)).