_mp_alloc to long int

[Vincent Lefevre]

[resent due to crash of mailman]

On 2022-09-29 17:38:15 +0200, Torbjorn Granlund wrote:
> (We have experimental code which makes the _mp_alloc field use a 16 bits
> floating-point number and the _mp_size field use a 48-bit integer.
> I.e., the _mp_size field steals 16 of _mp_alloc's bits.  Well-behaved
> programs should be binary compatible with such changes, and the mpz_t
> variables will not need more space.)

If I understand correctly, various inlines from gmp.h use
the _mp_size field. Wouldn't this be an issue for binary
compatibility?

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