[Bug c/81785] Segmentation fault for signed overflow in index expression when -fwrapv is enabled

[egallager at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81785

--- Comment #6 from Eric Gallager <egallager at gcc dot gnu.org> ---
(In reply to Marek Polacek from comment #4)
> Looks like removing the optimization regresses c-c++-common/restrict-2.c.

Why would it do that? I don't see any code mentioning restrict being touched...