[PING][PATCH 1/13] v2 [PATCH 1/13] Add support for per-location warning groups (PR 74765)

[Martin Sebor]

Ping: https://gcc.gnu.org/pipermail/gcc-patches/2021-June/571973.html

Looking for a review of v2 of the diagnostic infrastructure bits.

On 6/4/21 3:41 PM, Martin Sebor wrote:
> The attached patch introduces the suppress_warning(),
> warning_suppressed(), and copy_no_warning() APIs without making
> use of them in the rest of GCC.  They are in three files:
> 
>    diagnostic-spec.{h,c}: Location-centric overloads.
>    warning-control.cc: Tree- and gimple*-centric overloads.
> 
> The location-centric overloads are suitable to use from the diagnostic
> subsystem.  The rest can be used from the front ends and the middle end.