Function regression_464

regex/regex-syntax/src/error.rs:292–296

()

    // See: https://github.com/rust-lang/regex/issues/464
    #[test]
    fn regression_464() {
        let err = Parser::new().parse("a{\n").unwrap_err();
        // This test checks that the error formatter doesn't panic.
        assert!(!err.to_string().is_empty());
    }
}