Remove residual blank line at start of MakefileThis is a residual of the $FreeBSD$ removal.MFC After: 3 days (though I'll just run the command on the branches)Sponsored by: Netflix
Remove $FreeBSD$: one-line sh patternRemove /^\s*#[#!]?\s*\$FreeBSD\$.*$\n/
Update build glue for libclang_rt.
DIRDEPS_BUILD: Connect more libraries.Sponsored by: Dell EMC Isilon
Update compiler-rt to 3.9.0 release, and update the build glue forlibcompiler_rt and libclang_rt.