lib/Frontend/CompilerInvocation.cpp

1691     unsigned CurBit;
1695     ModuleSignature() : CurBit(0), CurValue(0) { }
1706   CurValue |= Value << CurBit;
1707   if (CurBit + NumBits < 64) {
1708     CurBit += NumBits;
1715   if (CurBit)
1716     CurValue = Value >> (64-CurBit);
1719   CurBit = (CurBit+NumBits) & 63;
1723   if (CurBit == 0)
1727   CurBit = 0;