Re: Aligning tcmalloc with glibc 2.35 rseq ABI

[Florian Weimer]

* Mathieu Desnoyers:

> More to the point: is ptrdiff_t the correct type here ? I think so.
> Do we want to revert the ABI and wait another 6 months before we
> bring back rseq into glibc just for this ? I'm not sure this limitation
> justifies it.
>
> So if there is a quick way to fix that before the official 2.35 release,
> I'm all for it, otherwise I cannot say that __rseq_offset being an "int"
> rather than a "ptrdiff_t" will make much real-life difference (unless
> I'm proven wrong). But we will be stuck with this quirk forever.

I'm going to post a patch.  It's fairly small.

Thanks,
Florian