private boolean hasValueOverRange(Register reg, BigInteger value, Address start, Address end) {
		AddressRangeIterator it = getRegisterValueAddressRanges(reg, start, end);
		if (it.hasNext()) {
			AddressRange range = it.next();
			if (range.getMinAddress().equals(start) && range.getMaxAddress().equals(end)) {
				BigInteger regValue = getValue(reg, start, true);
				return value.equals(regValue);
			}
		}
		return false;
	}
if the address is in an overlay and we are getting the default value, then get the default
value from the base space, not the overlay space.
Ghidra/Framework/SoftwareModeling/src/main/java/ghidra/program/util/AbstractStoredProgramContext.java