+ _ZNSt12system_errorC*;
+
+ _ZNKSt4hashISt10error_codeEclES0_;
+
+ _ZSt20__throw_system_errori;
+
+ # char16_t and char32_t
+ _ZNSt14numeric_limitsIDiE*;
+ _ZNSt14numeric_limitsIDsE*;
+
+ # chrono
+ _ZNSt6chrono12system_clock12is_monotonicE;
+ _ZNSt6chrono12system_clock3nowEv;
+ _ZNSt6chrono15monotonic_clock12is_monotonicE;
+ _ZNSt6chrono15monotonic_clock3nowEv;
+
+ # string/wstring initializer_list overloads
+ _ZNSs6appendESt16initializer_listIcE;
+ _ZNSs6assignESt16initializer_listIcE;
+ _ZNSs6insertEN9__gnu_cxx17__normal_iteratorIPcSsEESt16initializer_listIcE;
+ _ZNSs7replaceEN9__gnu_cxx17__normal_iteratorIPcSsEES2_St16initializer_listIcE;
+ _ZNSsC1ESt16initializer_listIcERKSaIcE;
+ _ZNSsC2ESt16initializer_listIcERKSaIcE;
+ _ZNSsaSESt16initializer_listIcE;
+ _ZNSspLESt16initializer_listIcE;
+ _ZNSbIwSt11char_traitsIwESaIwEE6appendESt16initializer_listIwE;
+ _ZNSbIwSt11char_traitsIwESaIwEE6assignESt16initializer_listIwE;
+ _ZNSbIwSt11char_traitsIwESaIwEE6insertEN9__gnu_cxx17__normal_iteratorIPwS2_EESt16initializer_listIwE;
+ _ZNSbIwSt11char_traitsIwESaIwEE7replaceEN9__gnu_cxx17__normal_iteratorIPwS2_EES6_St16initializer_listIwE;
+ _ZNSbIwSt11char_traitsIwESaIwEEC1ESt16initializer_listIwERKS1_;
+ _ZNSbIwSt11char_traitsIwESaIwEEC2ESt16initializer_listIwERKS1_;
+ _ZNSbIwSt11char_traitsIwESaIwEEaSESt16initializer_listIwE;
+ _ZNSbIwSt11char_traitsIwESaIwEEpLESt16initializer_listIwE;
+
+ # ctype<char>::_M_narrow_init and _M_widen_init
+ _ZNKSt5ctypeIcE14_M_narrow_initEv;
+ _ZNKSt5ctypeIcE13_M_widen_initEv;
+
+} GLIBCXX_3.4.10;
+
+GLIBCXX_3.4.12 {
+
+ # mutex
+ _ZSt27__set_once_functor_lock_ptrPSt11unique_lockISt5mutexE;
+ _ZSt16__get_once_mutexv;
+
+} GLIBCXX_3.4.11;
+
+GLIBCXX_3.4.13 {
+
+ # new fstream members
+ _ZNSt13basic_filebufI[cw]St11char_traitsI[cw]EE4openERKSsSt13_Ios_Openmode;
+ _ZNSt13basic_fstreamI[cw]St11char_traitsI[cw]EEC[12]ERKSsSt13_Ios_Openmode;
+ _ZNSt13basic_fstreamI[cw]St11char_traitsI[cw]EE4openERKSsSt13_Ios_Openmode;
+ _ZNSt14basic_ifstreamI[cw]St11char_traitsI[cw]EEC[12]ERKSsSt13_Ios_Openmode;
+ _ZNSt14basic_ifstreamI[cw]St11char_traitsI[cw]EE4openERKSsSt13_Ios_Openmode;
+ _ZNSt14basic_ofstreamI[cw]St11char_traitsI[cw]EEC[12]ERKSsSt13_Ios_Openmode;
+ _ZNSt14basic_ofstreamI[cw]St11char_traitsI[cw]EE4openERKSsSt13_Ios_Openmode;
+
+} GLIBCXX_3.4.12;
+
+GLIBCXX_3.4.14 {
+
+ # atomic
+ _ZNSt9__atomic011atomic_flag12test_and_setESt12memory_order;
+ _ZNSt9__atomic011atomic_flag5clearESt12memory_order;
+
+ # future
+ _ZSt15future_category;
+ _ZNSt12future_errorD*;
+ _ZNKSt12future_error4whatEv;
+ _ZTSSt12future_error;
+ _ZTVSt12future_error;
+ _ZTISt12future_error;
+ _ZSt20__throw_future_errori;
+
+ # string|wstring ::cbegin member functions
+ _ZNKSs6cbeginEv;
+ _ZNKSs4cendEv;
+ _ZNKSs7crbeginEv;
+ _ZNKSs5crendEv;
+ _ZNKSbIwSt11char_traitsIwESaIwEE4cendEv;
+ _ZNKSbIwSt11char_traitsIwESaIwEE6cbeginEv;
+ _ZNKSbIwSt11char_traitsIwESaIwEE7crbeginEv;
+ _ZNKSbIwSt11char_traitsIwESaIwEE5crendEv;
+
+ # string|wstring ::_S_construct<> and ::_S_construct_aux_2 helpers
+ _ZNSs12_S_constructI*;
+ _ZNSbIwSt11char_traitsIwESaIwEE12_S_constructI*;
+ _ZNSs18_S_construct_aux_2*;
+ _ZNSbIwSt11char_traitsIwESaIwEE18_S_construct_aux_2*;
+
+ # string|wstring shrink_to_fit member function
+ _ZNSs13shrink_to_fitEv;
+ _ZNSbIwSt11char_traitsIwESaIwEE13shrink_to_fitEv;
+
+ # string|wstring move contructor, move assignment operator and
+ # move assign.
+ _ZNSsC1EOSs;
+ _ZNSbIwSt11char_traitsIwESaIwEEC1EOS2_;
+ _ZNSsaSEOSs;
+ _ZNSbIwSt11char_traitsIwESaIwEEaSEOS2_;
+ _ZNSs6assignEOSs;
+ _ZNSbIwSt11char_traitsIwESaIwEE6assignEOS2_;
+
+ _ZSt25__throw_bad_function_callv;
+
+ # std::time_get::_M_extract_wday_or_month
+ _ZNKSt8time_getI[cw]St19istreambuf_iteratorI[cw]St11char_traitsI[cw]EEE24_M_extract_wday_or_month*;
+
+} GLIBCXX_3.4.13;