[Bug tree-optimization/56984] [4.8/4.9 Regression] ICE in tree_vrp.c

[jakub at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=56984

Jakub Jelinek <jakub at gcc dot gnu.org> changed:

           What    |Removed                     |Added
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             Status|NEW                         |ASSIGNED
         AssignedTo|unassigned at gcc dot       |jakub at gcc dot gnu.org
                   |gnu.org                     |

--- Comment #2 from Jakub Jelinek <jakub at gcc dot gnu.org> 2013-04-17 07:30:20 UTC ---
Created attachment 29887
  --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=29887
gcc49-pr56984.patch

Untested fix.  Another thing is that fold resp. gimple_fold aren't able to
optimize (x >> N) < M into 0 if M << N is the minimum value, but that isn't
something VRP should handle.