143   const unsigned char bit_set = _BitScanReverse(&first_set_bit, n);  in CountLeadingZeros()  local
144   assert(bit_set != 0);  in CountLeadingZeros()
145   static_cast<void>(bit_set);  in CountLeadingZeros()
153   const unsigned char bit_set =  in CountLeadingZeros()  local
158     const unsigned char bit_set = _BitScanReverse(&first_set_bit, n_hi);  in CountLeadingZeros()  local
159     assert(bit_set != 0);  in CountLeadingZeros()
160     static_cast<void>(bit_set);  in CountLeadingZeros()
163   const unsigned char bit_set = _BitScanReverse(  in CountLeadingZeros()  local
166   assert(bit_set != 0);  in CountLeadingZeros()
167   static_cast<void>(bit_set);  in CountLeadingZeros()
176   const unsigned char bit_set = _BitScanForward(&first_set_bit, n);  in CountTrailingZeros()  local
177   assert(bit_set != 0);  in CountTrailingZeros()
178   static_cast<void>(bit_set);  in CountTrailingZeros()