[Bug rtl-optimization/56466] [4.8 Regression] ICE in verify_loop_structure, at cfgloop.c:1629 (loop with header n not in loop tree !)

[mpolacek at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=56466

--- Comment #6 from Marek Polacek <mpolacek at gcc dot gnu.org> 2013-02-28 10:13:53 UTC ---
Author: mpolacek
Date: Thu Feb 28 10:13:48 2013
New Revision: 196335

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=196335
Log:
        PR rtl-optimization/56466
        * loop-unroll.c (unroll_and_peel_loops): Call fix_loop_structure
        if we're changing a loop.
        (peel_loops_completely): Likewise.


Added:
    trunk/gcc/testsuite/gcc.dg/pr56466.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/loop-unroll.c
    trunk/gcc/testsuite/ChangeLog