Blake Huff <stangmechanic at gmail.com> writes: Great answer Torbjorn! I compiled GMP with -disable-alloca about six months ago and forgot I had done so. There's your answer, Greg! The imminent GMP 4.2 should come as a great relief, and wear the eyes less of the gmp mailing lists readers. The frivolous stack allocation will be no more! -- Torbjörn