"Explicit Specialization after instantiation" build failure(s) — clang 2.9

PackageVersionSupposed error messageFull log Bug report
freecad 0.11.4446-dfsg-2FeaturePython.cpp:99:1: error: explicit specialization of 'classTypeId' after instantiation Log 755305
gobby-infinote 0.4.94-1../../code/util/config.hpp:455:7: error: explicit specialization of 'Gobby::serialize::default_context_to' after instantiation Log
spring 0.82.7.1+dfsg1-3ProjectileHandler.cpp:33:1: error: explicit specialization of 'binder' after instantiation Log

3 errors