K 10 svn:author V 6 gerald K 8 svn:date V 27 2017-11-11T23:43:19.993612Z K 7 svn:log V 248 Update to the 20171108 snapshot of GCC 6.4.1. This addresses a real-world issue around threading and unwinding that andreast@ has fixed upstream and backported to the GCC 6 release branch (cf. https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82635 ). END