[Bug c/65403] -Wno-error= is an error

[alexhenrie24 at gmail dot com via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65403

--- Comment #15 from Alex Henrie <alexhenrie24 at gmail dot com> ---
Nicholas Guriev also sent a patch for this issue:

https://gcc.gnu.org/pipermail/gcc-patches/2021-June/573774.html