rust/tests/ui/proc-macro/issue-81555.rs

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//@ check-pass
//@ aux-build:test-macros.rs
#![feature(stmt_expr_attributes, proc_macro_hygiene)]
extern crate test_macros;
use test_macros::identity_attr;
#[identity_attr]
fn main() {
let _x;
let y = ();
#[identity_attr]
_x = y;
}