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

[andreast at gcc dot gnu.org]

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

--- Comment #10 from Andreas Tobler <andreast at gcc dot gnu.org> ---
I can confirm this finding with the attached patch.
There is an improvement in the gcc results but no improvement/degradation in
the other results. Tested on yesterday's trunk.