[Bug middle-end/52996] [4.8 Regression] ice in verify_loop_structure, at cfgloop.c:1567

[rguenth at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52996

--- Comment #11 from Richard Biener <rguenth at gcc dot gnu.org> 2012-12-21 14:34:08 UTC ---
Author: rguenth
Date: Fri Dec 21 14:33:59 2012
New Revision: 194666

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=194666
Log:
2012-12-21  Richard Biener  <rguenther@suse.de>

    PR rtl-optimization/52996
    * cprop.c (bypass_block): When loops are to be preserved
    do not bypass loop headers.  Revert earlier kludge to remove
    loops when doing that.

Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/cprop.c