cxx/cxxabi/cxa_personality.cpp

419 exception_spec_can_catch(int64_t specIndex, const uint8_t* classInfo,
435     // specIndex is negative of 1-based byte offset into classInfo;
436     specIndex = -specIndex;
437     --specIndex;
440         static_cast<uintptr_t>(specIndex) * sizeof(uintptr_t));
464 exception_spec_can_catch(int64_t specIndex, const uint8_t* classInfo,
473     // specIndex is negative of 1-based byte offset into classInfo;
474     specIndex = -specIndex;
475     --specIndex;
476     const uint8_t* temp = classInfo + specIndex;