optimization/9357: [3.2/3.3/3.4 regression] SegFault with -fssa -funroll-loops -fprofile-arcs

[Andreas Jaeger]

Janis Johnson <janis187@us.ibm.com> writes:

> The regression showed up with this patch:
>
> Sat Oct 27 12:12:09 CEST 2001  Jan Hubicka  <jh@suse.cz>
>
>         * cfgcleanup.c (merge_blocks_move_predecessor_nojumps,
>         merge_blocks_move_successors_nojumps): Set BB_UPDATE_LIFE.
>         (merge_blocks): Properly udpate life after making edge nonfallthru.
>         * cfgrtl.c (merge_blocks_nomove): Update global_live_at_end.
>
> http://gcc.gnu.org/cgi-bin/gnatsweb.pl?cmd=view%20audit-trail&database=gcc&pr=9357

This might be the case but -fssa is currently broken AFAIK and not
supported really, so if it cannot get reproduced without -fssa, I
really susspect a SSA issue,

Andreas
-- 
 Andreas Jaeger
  SuSE Labs aj@suse.de
   private aj@arthur.inka.de
    http://www.suse.de/~aj