Re: patch: Use pg_assume in jsonb_util.c to fix GCC 15 warnings - Mailing list pgsql-hackers

On Tue, Jul 15, 2025 at 7:27 PM Tom Lane <tgl@sss.pgh.pa.us> wrote:
> There are a lot of them, for sure.

It's *very* common for switch statements to have a "can't happen"
elog(ERROR) as their default block. Many of these default blocks also
initialize related variables to placate the compiler.

> I'd be a bit worried about
> creating a back-patching mine-field.  But maybe these are all
> in spots we're unlikely to touch?

That seems like much less of a problem for a purely subtractive change
such as this.

--
Peter Geoghegan