@Override
	public boolean hasFallthrough() {
		if (isFallThroughOverridden()) {
			return getFallThrough() != null; // fall-through destination stored as reference
		}
		return getFlowType().hasFallthrough();
	}
Return the byte value repeated for all bytes within this instruction or null
if byte values vary.
@return repeated byte value or null if bytes vary
Ghidra/Framework/SoftwareModeling/src/main/java/ghidra/app/util/PseudoInstruction.java