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bug#32463: 27.0.50; (logior -1) => 4611686018427387903


From: Tom Tromey
Subject: bug#32463: 27.0.50; (logior -1) => 4611686018427387903
Date: Wed, 22 Aug 2018 10:56:56 -0600
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/26.1.50 (gnu/linux)

>>>>> "Paul" == Paul Eggert <address@hidden> writes:

Paul> My bigger concern is memory management, along with integer overflow in
Paul> size or bitcount calculation. Copies are made of bignums when not
Paul> needed

One idea is to change make_number to take ownership of the passed-in mpz_t.
I didn't do this because it makes the API confusing to use (I put in a
comment to this effect) but perhaps efficiency outweighs this; and
anyway the function could be renamed to make this more clear.

Tom





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