Re: [PATCH] Do not warn with warn_unused_result for alloca(0).

[Jakub Jelinek <jakub at redhat dot com>]

On Wed, Jun 12, 2019 at 10:13:57AM -0600, Martin Sebor wrote:
> But GCC doesn't support such an implementation, does it?

Why would that be relevant?  The warning would cause people to make portable
code less portable (by removing the alloca (0) calls that were added there
for portability reasons), or add hacks to work around the warning (whether
#pragma GCC diagnostic or something else).  That is something we do not
want people to do.

	Jakub