No, they were talking about marking glibc-2.22 as stable i.e., removing the tilde from the arches in the KEYWORDS of the ebuild. glibc-2.22-r2 was released at

No, they were talking about marking glibc-2.22 as stable i.e., removing the tilde from the arches in the KEYWORDS of the ebuild. glibc-2.22-r2 was released at the same time as glibc-2.21-r2 and it contains the fix for this issue. The Changelog merely says "misc upstream fixes" but I verified the relevant changes are there. The GLSA is https://security.gentoo.org/glsa/201602-02 https://security.gentoo.org/glsa/201602-02