[Bug tree-optimization/50769] [4.7 Regression] ICE: in phi_alternatives_equal, at tree-cfgcleanup.c:355 with -O2 -fno-delete-null-pointer-checks -fno-guess-branch-probability -fipa-pta

[rguenth at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50769

Richard Guenther <rguenth at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |NEW
   Last reconfirmed|                            |2011-10-18
                 CC|                            |tom at codesourcery dot com
   Target Milestone|---                         |4.7.0
     Ever Confirmed|0                           |1

--- Comment #1 from Richard Guenther <rguenth at gcc dot gnu.org> 2011-10-18 
09:32:05 UTC ---
Happens after PRE, -fno-tree-tail-merge fixes it.