Ping.  Attached is the same patch rebased on top the latest trunk.

As discussed in the review of Aldy's recent changes to the backwards
threader, he has run into the same bug the patch fixes.  Getting this
patch set reviewed and approved would be helpful in keeping him from
having to work around the bug.

https://gcc.gnu.org/pipermail/gcc/2021-June/236608.html

On 6/10/21 5:27 PM, Martin Sebor wrote:
> This diff removes the uses of %G and %K from all warning_at() calls
> throughout GCC front end and middle end.  The inlining context is
> included in diagnostic output whenever it's present.