[Bug c/110305] Incorrect optimization with -O3 -fsignaling-nans -fno-signed-zeros

[pinskia at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110305

--- Comment #1 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
First off using signal nans but not caring about signed zeros seems a combo
that normally won't happen in real life. Did you find this by accident or where
you testing this combo on purpose with real code you are writing. .