See also thread on libc-alpha "[PATCH] Fix __memcpy_chk on non-SSE2 CPUs" Patch has been committed to glibc: https://sourceware.org/git/?p=glibc.git;a=commit;h=132a1328eccd20621b77f7810eebbeec0a1af187
i've pushed this into 2.21 now. when it is finally unmasked, we'll do the -r1. http://sources.gentoo.org/gentoo/src/patchsets/glibc/2.21/00_all_0016-Fix-__memcpy_chk-on-non-SSE2-CPUs.patch?rev=1.1
Commit message: Add fix from upstream for memcpy on x86 systems http://sources.gentoo.org/sys-libs/glibc/glibc-2.21.ebuild?r1=1.1&r2=1.2