[Bug tree-optimization/122083] [15/16 Regression] Bogus -Wnonnull for call to memcmp with length determined using <=> operator

[pinskia at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=122083

--- Comment #8 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
The other issue is SRA is Disqualifying due to D.8570 being const but since it
is a local const that does not matter.

! Disqualifying D.8570 - Encountered a store to a read-only decl.

Let me see if I can fix that part up too.