mpz reuse test takes too much time

[Niels Möller]

tg at gmplib.org (Torbjörn Granlund) writes:

> Target operands which are not also input operands are now overwritten
> with garbage via the CLOBBER macro.  (It would make sense to do this in
> almost every other GMP test file.)
>
> I split your gcdext check macros into 2-operand and 3-operand variants.
> The old macros checked res3 even when it was not part of the
> computation, exhibiting possibly undefined behaviour.
>
> OK with you to commit?

Looks good to me, go aehad.

/Niels

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