[Bug tree-optimization/53163] [4.7/4.8 Regression] crash due to null ptr deref

[jakub at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53163

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

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |ASSIGNED
   Last reconfirmed|                            |2012-04-30
          Component|c                           |tree-optimization
                 CC|                            |jakub at gcc dot gnu.org
         AssignedTo|unassigned at gcc dot       |jakub at gcc dot gnu.org
                   |gnu.org                     |
     Ever Confirmed|0                           |1
            Summary|crash due to null ptr deref |[4.7/4.8 Regression] crash
                   |                            |due to null ptr deref
   Target Milestone|---                         |4.7.1

--- Comment #1 from Jakub Jelinek <jakub at gcc dot gnu.org> 2012-04-30 07:01:55 UTC ---
Started with http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=183624
I think the bug is that cond_if_else_store_replacement is ignoring return value
from compute_all_dependences.