_tagBits          156 core/CdeclThunk.cpp                 intptr_t iwt = i << _tagBits;
_tagBits          157 core/CdeclThunk.cpp                 if ((iwt >> _tagBits) == i) {
_tagBits          167 core/CdeclThunk.cpp                 if (u & (~(static_cast<uintptr_t>(-1) >> (_tagBits + 1)))) {