[CFF] INDEX count overflow + missing local subroutines. about ttf-parser HOT 6 CLOSED

fn main() {
    let font = ttf_parser::Font::from_data(include_bytes!("../SourceHanSansSC-Regular.otf"), 0).unwrap();

    let glyph_index = dbg!(font.glyph_index('A').unwrap());

    dbg!(font.outline_glyph(glyph_index, &mut OutlinePrinter));
}

struct OutlinePrinter;
impl ttf_parser::OutlineBuilder for OutlinePrinter {
    fn move_to(&mut self, x: f32, y: f32) {
        eprintln!("move_to {} {}", x, y);
    }
    fn line_to(&mut self, x: f32, y: f32) {
        eprintln!("line_to {} {}", x, y);
    }
    fn quad_to(&mut self, x1: f32, y1: f32, x: f32, y: f32) {
        eprintln!("quad_to {} {} {} {}", x1, y1, x, y);
    }
    fn curve_to(&mut self, x1: f32, y1: f32, x2: f32, y2: f32, x: f32, y: f32) {
        eprintln!("curve_to {} {} {} {} {} {}", x1, y1, x2, y2, x, y);
    }
    fn close(&mut self) {
        eprintln!("close");
    }
}