[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 #3 from Andrey Belevantsev <abel at gcc dot gnu.org> 2012-01-25 
13:20:47 UTC ---
Author: abel
Date: Wed Jan 25 13:20:43 2012
New Revision: 183519

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=183519
Log:
gcc:
    PR rtl-optimization/48374
        * sel-sched-ir.h (get_all_loop_exits): Check for zero successors.

testsuite:
        PR rtl-optimization/48374
        * gcc.dg/pr48374.c: New test.

Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/sel-sched-ir.h
    trunk/gcc/testsuite/ChangeLog