[Bug c/40989] -Werror= and #pragma diagnostics do not work with group flags

[manu at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=40989

Manuel López-Ibáñez <manu at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
         Resolution|---                         |FIXED

--- Comment #11 from Manuel López-Ibáñez <manu at gcc dot gnu.org> ---
I consider this FIXED. Almost all options now work. The ones that don't are due
to missing features in the *.opt files, which are tracked in PR53063.