Miscompilation on arm64 with GCC LTO

[Sam James]

Torbjörn Granlund <tg at gmplib.org> writes:

> Have you tried using a recent GMP snapshot?
> If not, please do.
>
> https://gmplib.org/download/snapshot/


gmp-6.2.99-20221117121717.tar.zst seems to fail for the same way for me,
with t-constants failing and GCC hanging/erroring in the same way too.