[Bug tree-optimization/55831] [4.8 Regression] ICE: verify_flow_info failed

[jakub at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55831

--- Comment #4 from Jakub Jelinek <jakub at gcc dot gnu.org> 2012-12-31 23:50:06 UTC ---
Author: jakub
Date: Mon Dec 31 23:50:00 2012
New Revision: 194764

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=194764
Log:
    PR tree-optimization/55831
    * tree-vect-loop.c (get_initial_def_for_induction): Use
    gsi_after_labels instead of gsi_start_bb.

    * gcc.dg/pr55831.c: New test.

Added:
    trunk/gcc/testsuite/gcc.dg/pr55831.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/tree-vect-loop.c