1areturn: expected failure occurred 2dreturn: expected failure occurred 3freturn: expected failure occurred 4ireturn: expected failure occurred 5lreturn: expected failure occurred 6sig_areturn: expected failure occurred 7sig_dreturn: expected failure occurred 8sig_freturn: expected failure occurred 9sig_ireturn: expected failure occurred 10sig_lreturn: expected failure occurred 11sig_return: expected failure occurred 12