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

[amonakov at gcc dot gnu.org]

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

--- Comment #8 from Alexander Monakov <amonakov at gcc dot gnu.org> 2010-12-15 
13:08:47 UTC ---
Author: amonakov
Date: Wed Dec 15 13:08:41 2010
New Revision: 167854

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=167854
Log:
    PR rtl-optimization/46649
    * sel-sched-ir.c (purge_empty_blocks): Unconditionally skip the first
    basic block in the region.

testsuite:
    * g++.dg/opt/pr46649.C: New.


Added:
    trunk/gcc/testsuite/g++.dg/opt/pr46649.C
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/sel-sched-ir.c
    trunk/gcc/testsuite/ChangeLog