private boolean isIgnoredZeroBitField(BitFieldDataType zeroBitFieldDt) {
		if (!zeroBitFieldDt.isZeroLength()) {
			return false;
		}
		if (bitFieldPacking.useMSConvention()) {
			// TODO: verify when :0 is first component
			return lastComponent == null || !lastComponent.isBitFieldComponent();
		}
		return false;
	}
Get structure length after all components have been added.
@return structure length
Ghidra/Framework/SoftwareModeling/src/main/java/ghidra/program/model/data/AlignedComponentPacker.java