[Bug tree-optimization/69776] Wrong optimization with aliasing

[rguenth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69776

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

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Keywords|                            |wrong-code
             Status|RESOLVED                    |ASSIGNED
   Last reconfirmed|                            |2016-02-12
          Component|c                           |tree-optimization
         Resolution|INVALID                     |---
           Assignee|unassigned at gcc dot gnu.org      |rguenth at gcc dot gnu.org
     Ever confirmed|0                           |1

--- Comment #4 from Richard Biener <rguenth at gcc dot gnu.org> ---
Actually the middle-end memory model makes this valid and FREs redundant store
elimination breaks it.

Mine.