[PATCH] stdlib: Define WCOREDUMP in stdlib.h [BZ #32551]

[Joseph Myers]

On Wed, 21 May 2025, Collin Funk wrote:

> Ideally this macro would be hidden behind a macro '__USE_XOPEN2K24'
> which has not been yet introduced.
> 
> I had a patch to define that macro but decided against submitting it
> until the conform tests are updated.

It makes sense to me for the feature test macro handling (and updating 
headers for whatever new POSIX features are already supported under 
__USE_GNU or other extension conditions) to go in independently of conform 
test updates for the new POSIX version.

-- 
Joseph S. Myers
josmyers@redhat.com