[Bug c/61579] -Wwrite-strings does not behave as a warning option

[egallager at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61579

--- Comment #3 from Eric Gallager <egallager at gcc dot gnu.org> ---
(In reply to Marek Polacek from comment #2)
> Confirmed.  I might possibly get to this.

For gcc 9 maybe?