# std::uncaught_exceptions()
_ZSt19uncaught_exceptionsv;
+ # std::thread::_State::~_State()
+ _ZT[ISV]NSt6thread6_StateE;
+ _ZNSt6thread6_StateD[012]Ev;
+ _ZNSt6thread15_M_start_threadESt10unique_ptrINS_6_StateESt14default_deleteIS1_EEPFvvE;
+
} GLIBCXX_3.4.21;
# Symbols in the support library (libsupc++) have their own tag.