K 10 svn:author V 6 gerald K 8 svn:date V 27 2017-09-28T16:13:14.961774Z K 7 svn:log V 157 Update to the 20170927 snapshot of GCC 6.4.1. Add a conflict with the lang/gcc6 port like we've had it in lang/gcc5-devel (for lang/gcc5) for a fair while. END