[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