def blocks_with_differing_constants(self):
        """
        :return: A dict of block matches with differing constants to the tuple of constants
        """
        diffs = dict()
        for (func_a, func_b) in self.function_matches:
            diffs.update(self.get_function_diff(func_a, func_b).blocks_with_differing_constants)
        return diffs
:return: A dict of block matches with differing constants to the tuple of constants