Re: regex no longer needs to depend on malloc-gnu

[Paul Eggert]

Nathan Kennedy wrote:
> I think this dependency can be removed.

Thanks, I installed a patch along those lines.

> the MALLOC_0_IS_NONNULL macro attempting to check for
> malloc(0) failure is not needed.

It's not needed for correctness, but it helps performance on GNU hosts, 
no?  It lets them avoid an unnecessary test "size != 0" at runtime.  The 
MALLOC_0_IS_NONNULL test is done at compile-time, and has no runtime 
overhead.