[Bug middle-end/53144] [4.7/4.8 Regression] PPRE infinite loop

[rguenth at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53144

--- Comment #8 from Richard Guenther <rguenth at gcc dot gnu.org> 2012-05-02 
14:08:18 UTC ---
I have a patch.