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

[tkoenig at gcc dot gnu.org]

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

--- Comment #7 from Thomas Koenig <tkoenig at gcc dot gnu.org> 2010-11-21 
21:07:08 UTC ---
Created attachment 22478
  --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=22478
Test case from comment #5 and comment #6

Here is a test case that is a little shorter.

A bit hard to trim it down further when the bug depends on test
case size...