[Bug tree-optimization/125885] False -Warray-bounds array subscript above array bounds with lookup table

[thadhouse1 at gmail dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=125885

--- Comment #1 from Thad House <thadhouse1 at gmail dot com> ---
Created attachment 64778
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=64778&action=edit
Full Repro

Was able to self contain the full code into a fairly small file, in case the
bug is somehow different between the minimal and full repro.