[Bug rtl-optimization/46649] [4.6 Regression] ICE: in move_bb_info, at sel-sched-ir.c:5080 with -fschedule-insns -fselective-scheduling

[abel at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46649

--- Comment #10 from Andrey Belevantsev <abel at gcc dot gnu.org> 2011-04-07 
07:01:30 UTC ---
Author: abel
Date: Thu Apr  7 07:01:25 2011
New Revision: 172086

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=172086
Log:
        Backport from mainline
        2010-12-15  Alexander Monakov  <amona...@ispras.ru>

        PR rtl-optimization/46649
        * sel-sched-ir.c (purge_empty_blocks): Unconditionally skip the first
        basic block in the region.


Added:
    branches/gcc-4_5-branch/gcc/testsuite/g++.dg/opt/pr46649.C
Modified:
    branches/gcc-4_5-branch/gcc/ChangeLog
    branches/gcc-4_5-branch/gcc/sel-sched-ir.c
    branches/gcc-4_5-branch/gcc/testsuite/ChangeLog