"illegal storage class on function" build failure(s) — clang 3.9.1

PackageVersionSupposed error messageFull log Bug report
gsequencer 0.8.7-1ags/lib/ags_function.c:438:3: error: illegal storage class on function Log
reprepro 5.1.1-1sourceextraction.c:135:2: error: illegal storage class on function Log

2 errors