[Bug tree-optimization/56150] ICE segfault in do_pre / tail_merge_optimize

[francesco.zappa.nardelli at gmail dot com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=56150

--- Comment #1 from Francesco Zappa Nardelli <francesco.zappa.nardelli at gmail dot com> 2013-01-30 14:44:45 UTC ---
Sorry, forgot to specify: 

  Target: x86_64-unknown-linux-gnu