[Bug tree-optimization/49911] SRA + DOM + VRP + -fstrict-enums incorrectly remove predicate

[rafael.espindola at gmail dot com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49911

--- Comment #10 from Rafael Avila de Espindola <rafael.espindola at gmail dot com> 2011-08-04 18:59:20 UTC ---
Created attachment 24919
  --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=24919
test patch

I ported 
http://gcc.gnu.org/ml/gcc-patches/2011-04/msg00741.html
to gcc 4.5 and was able to to build a working firefox in the environment that
mozilla's bots use.
Thanks!