"Explicit Specialization after instantiation" build failure(s) — clang 3.8.1

PackageVersionSupposed error messageFull log Bug report
aghermann 1.1.1-1mc-artifacts.cc:51:1: error: explicit specialization of 'estimate_E' after instantiation Log
pynac 0.6.8-1lst.cpp:29:38: error: explicit specialization of 'tinfo_static' after instantiation Log
wfmath 1.0.2+dfsg1-3intersect.cpp:182:6: error: explicit specialization of 'Intersect<2>' after instantiation Log

3 errors