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

[rguenth at gcc dot gnu.org]

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

--- Comment #5 from Richard Biener <rguenth 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.

Actual code generation or just the number of moved stmts?