[Bug tree-optimization/49218] Incorrect optimization of a 'for' loop creates an infinite loop

[rguenth at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49218

--- Comment #1 from Richard Guenther <rguenth at gcc dot gnu.org> 2011-05-29 
10:22:24 UTC ---
Works for me on the 4.6 branch on x86_64-darwin.