[Bug rtl-optimization/71634] [4.9//5/6 Regression] 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

Martin Liška <marxin at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |NEW
   Last reconfirmed|                            |2016-07-12
            Summary|Invalid write with in       |[4.9//5/6 Regression]
                   |mark_loops_for_removal      |Invalid write with in
                   |(ira-build.c:2256) with     |mark_loops_for_removal
                   |--param ira-max-loops-num=0 |(ira-build.c:2256) with
                   |                            |--param ira-max-loops-num=0
     Ever confirmed|0                           |1

--- Comment #2 from Martin Liška <marxin at gcc dot gnu.org> ---
Fixed on trunk, all active branches suffer from the same issue. I've been
testing the same patch.