[Bug rtl-optimization/48374] ICE: in single_succ_edge, at basic-block.h:562 with -fselective-scheduling2 and __builtin_unreachable()

[abel at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=48374



--- Comment #6 from Andrey Belevantsev <abel at gcc dot gnu.org> 2012-10-30 
08:25:24 UTC ---

Author: abel

Date: Tue Oct 30 08:25:16 2012

New Revision: 192979



URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=192979

Log:

        Backport from mainline

        2012-01-25 Andrey Belevantsev <a...@ispras.ru>



        PR rtl-optimization/48374

        * sel-sched-ir.h (get_all_loop_exits): Check for zero successors.



        * gcc.dg/pr48374.c: New test.







Added:

    branches/gcc-4_6-branch/gcc/testsuite/gcc.dg/pr48374.c

Modified:

    branches/gcc-4_6-branch/gcc/ChangeLog

    branches/gcc-4_6-branch/gcc/sel-sched-ir.h

    branches/gcc-4_6-branch/gcc/testsuite/ChangeLog