[Bug tree-optimization/82627] [8 regression] r253809 breaks test cases gcc.dg/graphite/interchange-3.c -7.c, -9.c, and uns-interchange-9.c

[seurer at linux dot vnet.ibm.com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82627

--- Comment #4 from Bill Seurer <seurer at linux dot vnet.ibm.com> ---
I attached the dumps from before and after.  Wow, they are radically different
in size.