[Bug tree-optimization/115101] [11/12/13/14/15 regression] [wrong code] with -O1 -floop-nest-optimize for gcc.dg/graphite/interchange-8.c

[sjames at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=115101

Sam James <sjames at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Summary|[wrong code] with -O1       |[11/12/13/14/15 regression]
                   |-floop-nest-optimize for    |[wrong code] with -O1
                   |gcc.dg/graphite/interchange |-floop-nest-optimize for
                   |-8.c                        |gcc.dg/graphite/interchange
                   |                            |-8.c
      Known to work|                            |5.4.0
      Known to fail|                            |6.1.0
                 CC|                            |sjames at gcc dot gnu.org

--- Comment #2 from Sam James <sjames at gcc dot gnu.org> ---
on godbolt, it looks like gcc-5.4 is fine, and 6.1 isn't