void rename(String newName) {
		if (aliases != null) {
			aliases.remove(newName);
		}
		this.name = newName;
	}
Determines if reg is contained within this register. Method does not work for bit registers
(e.g., context-bits)

@param reg another register
@return true if reg equals this register or is contained within it.
Ghidra/Framework/SoftwareModeling/src/main/java/ghidra/program/model/lang/Register.java