https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68500 --- Comment #4 from vries at gcc dot gnu.org --- First patch posted here: https://gcc.gnu.org/ml/gcc-patches/2015-11/msg02634.html Last two patches fyi-posted here: https://gcc.gnu.org/ml/gcc-patches/2015-11/msg02688.html