[Bug tree-optimization/68682] [6/7 Regression] [graphite] loop interchange no longer working after r227277

[rguenth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68682

--- Comment #3 from Richard Biener <rguenth at gcc dot gnu.org> ---
GCC 6.2 is being released, adjusting target milestone.