Function number_of_blocks

cranelift/reader/src/parser.rs:3264–3279

()

    #[test]
    fn number_of_blocks() {
        let ParseError {
            location,
            message,
            is_warning,
        } = Parser::new(
            "function %a() {
                block100000:",
        )
        .parse_function()
        .unwrap_err();

        assert_eq!(location.line_number, 2);
        assert_eq!(message, "too many blocks");
        assert!(!is_warning);
    }

    #[test]
    fn duplicate_ss() {