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

[rguenther at suse dot de]

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

--- Comment #6 from rguenther at suse dot de <rguenther at suse dot de> ---
On Tue, 21 May 2013, glisse at gcc dot gnu.org wrote:

> 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?

It's dependence computation, thus "known".