"Unknown/unexpected directive" build failure(s) — clang 3.4.2

PackageVersionSupposed error messageFull log Bug report
fis-gtm 6.0-003-2pseudo_ret.s:13:2: error: unknown directive Log
grml2usb 0.14.4mbr.S:32:2: error: unexpected directive .code16 Log
kexec-tools 1:2.0.4-1:23:2: error: unknown directive Log
pearpc 0.5.dfsg-2.1jitc_mmu.S:36:1: error: unknown directive Log
wraplinux 1.7-8reloc/a20.S:31:2: error: unexpected directive .code16 Log

5 errors