https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71838
--- Comment #13 from Anton Shterenlikht <mexas at bristol dot ac.uk> --- The latest I have is: gcc6-devel-6.3.1.s20161229 lang/gcc6-devel gcc7-devel-7.0.0.s20170101 lang/gcc7-devel ATM I've no time to build gcc myself. I'll wait for gerald@ to update these ports and will try again. Thanks! Anton