[Bug rtl-optimization/52250] [4.7 Regression] ICE: in sel_remove_bb, at sel-sched-ir.c:5213 with -fsel-sched-pipelining -fsel-sched-pipelining-outer-loops -fselective-scheduling2 and other flags

[abel at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52250

--- Comment #13 from Andrey Belevantsev <abel at gcc dot gnu.org> 2012-07-20 
08:49:54 UTC ---
Author: abel
Date: Fri Jul 20 08:49:52 2012
New Revision: 189705

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=189705
Log:
        Backport from mainline
        2012-03-06  Andrey Belevantsev  <a...@ispras.ru>

        PR rtl-optimization/52250
        * sel-sched-ir.c (maybe_tidy_empty_bb): Try harder to find a bb
        to put note list into.  Unconditionally call move_bb_info.
        (move_bb_info): Do not assert the blocks being in the same region,
        just drop the note list if they are not.


Modified:
    branches/gcc-4_7-branch/gcc/ChangeLog
    branches/gcc-4_7-branch/gcc/sel-sched-ir.c