[Bug rtl-optimization/51187] miscompilation of genrecog.c at -O2 for --target=avr

[ebotcazou at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=51187

--- Comment #8 from Eric Botcazou <ebotcazou at gcc dot gnu.org> 2011-11-19 
20:39:12 UTC ---
Author: ebotcazou
Date: Sat Nov 19 20:39:10 2011
New Revision: 181514

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=181514
Log:
    PR rtl-optimization/51187
    * reorg.c (relax_delay_slots): Do not consider a jump useless if there
    is a barrier between the jump and its target label.

Added:
    branches/gcc-4_6-branch/gcc/testsuite/gcc.dg/delay-slot-2.c
      - copied unchanged from r181513,
trunk/gcc/testsuite/gcc.dg/delay-slot-2.c
Modified:
    branches/gcc-4_6-branch/gcc/ChangeLog
    branches/gcc-4_6-branch/gcc/reorg.c
    branches/gcc-4_6-branch/gcc/testsuite/ChangeLog