blob: 345121c252e825d5833d34051d1d54299fa3c7ea [file] [log] [blame]
//@ check-pass
//
// During `Nonterminal` removal (#124141) there was at one point a problem with
// calling from_ast on expressions with inner attributes within metavars -- the
// inner attributes were being inserted in the wrong place in `from_ast`. This
// test covers that case.
macro_rules! m3 { ($e:expr) => {} }
macro_rules! m2 { ($e:expr) => { m3!($e); } }
macro_rules! m1 { ($e:expr) => { m2!($e); } }
m1!({ #![allow(unused)] 0 });
fn main() {}