lib/Sema/SemaDecl.cpp

12691   unsigned NumNegativeBits = 0;
12709       NumNegativeBits = std::max(NumNegativeBits,
12749   else if (NumNegativeBits) {
12753     if (Packed && NumNegativeBits <= CharWidth && NumPositiveBits < CharWidth) {
12756     } else if (Packed && NumNegativeBits <= ShortWidth &&
12760     } else if (NumNegativeBits <= IntWidth && NumPositiveBits < IntWidth) {
12766       if (NumNegativeBits <= BestWidth && NumPositiveBits < BestWidth) {
12771         if (NumNegativeBits > BestWidth || NumPositiveBits >= BestWidth)
12875                            NumPositiveBits, NumNegativeBits);