PARI/GP 2.15 is out, and homebrew, gentoo, arch, debian-unstable already have the new version.

• giac does not build, see giac-1.9.0.15p0.log

Upstream: Workaround found; Bug reported upstream.

CC: @antonio-rojas @collares @JohnCremona

Component: number theory

Author: Bill Allombert, Vincent Delecroix, Antonio Rojas

Branch: e8cfad0

Reviewer: Dima Pasechnik, John Cremona

Issue created by migration from https://trac.sagemath.org/ticket/34537