[Bug rtl-optimization/57268] [4.9 Regression] c nested loops hang compiler in sched-deps.c

[rguenth at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=57268

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

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |NEW
   Last reconfirmed|                            |2013-05-14
          Component|tree-optimization           |rtl-optimization
   Target Milestone|---                         |4.9.0
            Summary|c nested loops hang         |[4.9 Regression] c nested
                   |compiler                    |loops hang compiler in
                   |                            |sched-deps.c
     Ever confirmed|0                           |1

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

(gdb) 
Run till exit from #0  sched_analyze (deps=0x7fff881eecc0, 
    head=0x7fc27676ec18, tail=0x7fc2767b3168)
    at /space/rguenther/src/svn/trunk/gcc/sched-deps.c:3734
....

while processing func_62 at -O2.