[Bug bootstrap/56750] [4.8/4.9/5 Regression] static -lstdc++ logic bleeds into all subdirs

[vapier at gentoo dot org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=56750

--- Comment #7 from Mike Frysinger <vapier at gentoo dot org> ---
ping ... this is causing releases of binutils' gold to be statically linked,
and causing headaches for the gold testsuites.