EC_R_CANNOT_INVERT
ERR_raise(ERR_LIB_EC, EC_R_CANNOT_INVERT);
{ ERR_PACK(ERR_LIB_EC, 0, EC_R_CANNOT_INVERT), "cannot invert" },
ERR_raise(ERR_LIB_EC, EC_R_CANNOT_INVERT);
ERR_raise(ERR_LIB_EC, EC_R_CANNOT_INVERT);
|| !TEST_true(ERR_GET_REASON(ERR_peek_last_error()) == EC_R_CANNOT_INVERT)
|| !TEST_true(ERR_GET_REASON(ERR_peek_last_error()) == EC_R_CANNOT_INVERT))