[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  <rguent...@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