[Bug tree-optimization/57318] [4.9 Regression] optimizer takes several seconds on nested loops

[glisse at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=57318

--- Comment #5 from Marc Glisse <glisse at gcc dot gnu.org> ---
(In reply to Richard Biener from comment #4)
> Fixed

Thanks. Is the slowness of the sched2 pass tracked elsewhere? Or is that a
normal speed for many volatile ops?