[Bug rtl-optimization/57381] [4.8/4.9 Regression] array of volatile pointers hangs gcc

[rguenth at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=57381

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

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |ASSIGNED
   Last reconfirmed|                            |2013-05-23
           Assignee|unassigned at gcc dot gnu.org      |rguenth at gcc dot 
gnu.org
   Target Milestone|---                         |4.8.1
            Summary|array of volatile pointers  |[4.8/4.9 Regression] array
                   |hangs gcc                   |of volatile pointers hangs
                   |                            |gcc
     Ever confirmed|0                           |1

--- Comment #1 from Richard Biener <rguenth at gcc dot gnu.org> ---
Mine.  Hangs in

0x0000000000caeac6 in visit_use (use=0x7ffff6e3eee8)
    at /space/rguenther/src/svn/trunk/gcc/tree-ssa-sccvn.c:3469
3469                changed = visit_reference_op_store (lhs, rhs1, stmt);