[Bug tree-optimization/46590] long compile time with -O2 and many loops

[rguenth at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46590

--- Comment #4 from Richard Guenther <rguenth at gcc dot gnu.org> 2010-11-21 
18:56:58 UTC ---
Please strip down the testcase and provide -ftime-report output (I suppose
you hit IVOPTs slowness, so try -fno-ivopts).