Defining __uint24

[Jakub Jelinek]

On Wed, Jan 15, 2025 at 08:58:50PM +0000, Jonathan Wakely wrote:
> It looks like there are only 24 uses of __int24 in the testsuite, so
> maybe just adding __extension__ to those places is the best solution.

Ah, ok.
Still, there should be one new test with -pedantic and without __extension__
to verify that a warning is emitted and one with -pedantic-errors without
__extension__ to verify an error is emitted.

	Jakub