https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70777
Marc Glisse <glisse at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |NEW
Last reconfirmed| |2016-04-24
Component|c |tree-optimization
Ever confirmed|0 |1
--- Comment #1 from Marc Glisse <glisse at gcc dot gnu.org> ---
fold-const.c:
/* Canonicalize x*x as pow(x,2.0), which is expanded as x*x. */
But this isn't quite true. pow is lowered to x*x in the sincos pass, which
doesn't run at -Og.
