[Bug tree-optimization/67700] [graphite] miscompile due to wrong codegen

[hiraditya at msn dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67700

--- Comment #1 from AK <hiraditya at msn dot com> ---
The problem seems to be in 

static void canonicalize_loop_closed_ssa (loop_p loop)

which generates phi node at a wrong place in this case.