[Bug tree-optimization/54458] [4.8 Regression] ICE get_loop_body, at cfgloop.c:830

[rguenth at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54458

--- Comment #8 from Richard Guenther <rguenth at gcc dot gnu.org> 2012-09-04 
09:29:02 UTC ---
Author: rguenth
Date: Tue Sep  4 09:28:58 2012
New Revision: 190918

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=190918
Log:
2012-09-04  Richard Guenther  <rguent...@suse.de>

    PR tree-optimization/54458
    * tree-ssa-threadupdate.c (thread_through_loop_header): If we
    turn the loop into one with multiple latches mark it so.

    * gcc.dg/torture/pr54458.c: New testcase.

Added:
    trunk/gcc/testsuite/gcc.dg/torture/pr54458.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/tree-ssa-threadupdate.c