Piotr Caban (@piotr) commented about dlls/msvcrt/concurrency.c:
DEFINE_CXX_DATA1(invalid_scheduler_policy_key, &cexception_cxx_type_info, cexception_dtor) DEFINE_CXX_DATA1(invalid_scheduler_policy_thread_specification, &cexception_cxx_type_info, cexception_dtor) DEFINE_CXX_DATA1(invalid_scheduler_policy_value, &cexception_cxx_type_info, cexception_dtor) +#if defined(__x86_64__) && _MSVCR_VER >= 120 +DEFINE_CXX_DATA1(missing_wait, &cexception_cxx_type_info, cexception_dtor) +#endif
Please define exception related code in the same patch that throws the exception - it's currently unused.