{"ast_node_type":"other","tokens":[{"end":31,"kind":"keyword","start":0,"text":"p.expect(exp!(OpenParen))?;"}]}
    p.expect(exp!(OpenParen))?;
fn parse_reg<'a>(p: &mut Parser<'a>) -> PResult<'a, ast::InlineAsmRegOrRegClass> {
    let result = match p.token.uninterpolate().kind {