[Bug middle-end/92330] Wstrict-overflow documentation does not say that it is deprecated and has no effect

[rguenth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=92330

--- Comment #2 from Richard Biener <rguenth at gcc dot gnu.org> ---
Look for issue_strict_overflow_warning / fold_overflow_warning and the
classification enum.