Rollup merge of #106043 - c410-f3r:moar-errors, r=petrochenkov

[rust.git] / src / test / ui / on-unimplemented / issue-104140.rs

#![feature(rustc_attrs)]

trait Foo {}

#[rustc_on_unimplemented] //~ ERROR malformed `rustc_on_unimplemented` attribute input
impl Foo for u32 {}

fn main() {}