[Bug rtl-optimization/71634] Invalid write with in mark_loops_for_removal (ira-build.c:2256) with --param ira-max-loops-num=0

[marxin at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71634

--- Comment #1 from Martin Liška <marxin at gcc dot gnu.org> ---
Author: marxin
Date: Tue Jul 12 14:54:52 2016
New Revision: 238247

URL: https://gcc.gnu.org/viewcvs?rev=238247&root=gcc&view=rev
Log:
Fix PR rtl-optimization/71634

        * ira-build.c (mark_loops_for_removal): Properly iterate
        loops.

Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/ira-build.c