[Bug tree-optimization/53922] VRP: semantic conflict between range_includes_zero_p and value_inside_range

[rguenth at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53922

--- Comment #5 from Richard Guenther <rguenth at gcc dot gnu.org> 2012-07-11 
12:28:57 UTC ---
Created attachment 27774
  --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=27774
untested patch