[Bug c++/52833] -O2 optimizes loop to infinite when loop invariant based on arithmetic overflow

[gwpublic at wp dot pl]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52833

--- Comment #2 from Grzegorz Wierzowiecki <gwpublic at wp dot pl> 2012-04-02 10:09:48 UTC ---
Created attachment 27065
  --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=27065
overflow_loop-O2.s - assembly after -O2