[c/c++] PR35058: -Werror= works only with some warnings

[Gabriel Dos Reis]

On Tue, Jul 22, 2008 at 9:34 AM, Manuel López-Ibáñez
<lopezibanez@gmail.com> wrote:
> The following patches implement pedwarn (OPT_*, ...) and pedwarn0() as
> discussed here:
> http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00972.html
>
> This also fixes PR 35058.
>
> Bootstrapped with --enable-languages=all and regression tested on
> x86_64-unknown-linux-gnu.
>
> I have broken up the patch so it can be reviewed more easily into
> diagnostics, C front-end, C++ front-end and Fortran parts. The fortran
> bits were already approved.
>
> OK for 4.4?
>
> Cheers,
>
> Manuel.

OK modulo Joseph's comments.

--- Gaby