[Bug tree-optimization/50419] Bad interaction between data-ref and disambiguation with restrict pointers

[matz at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50419

--- Comment #1 from Michael Matz <matz at gcc dot gnu.org> 2011-09-15 14:16:54 UTC ---
Created attachment 25293
  --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=25293
(untested) patch

Potential fix for this.  As yet untested.