[Bug rtl-optimization/59446] loop2_doloop creates constant comparison and dead jump

[law at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=59446

--- Comment #3 from Jeffrey A. Law <law at gcc dot gnu.org> ---
Author: law
Date: Wed Dec 11 22:15:14 2013
New Revision: 205905

URL: http://gcc.gnu.org/viewcvs?rev=205905&root=gcc&view=rev
Log:
    PR rtl-optimization/59446
    * tree-ssa-threadupdate.c (mark_threaded_blocks): Properly
    test for crossing a loop header.

Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/tree-ssa-threadupdate.c