[Bug middle-end/89125] Misoptimization of converting sin(x) and cos(x) into sincos(x,&s,&c)

[dominiq at lps dot ens.fr]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=89125

--- Comment #2 from Dominique d'Humieres <dominiq at lps dot ens.fr> ---
See pr31249.