[Bug other/82327] [7 Regression] ICE in equal_mem_array_ref_p, at tree-ssa-scopedtables.c:429 (i686-linux-gnu)

[costamagnagianfranco at yahoo dot it]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82327

--- Comment #2 from Gianfranco <costamagnagianfranco at yahoo dot it> ---
I did add some info on the duplicate bug, I reduced the regression in a bunch
of commits (and a two days range).