src/test/ui/async-await/issues/issue-54752-async-block.stderr

warning: unnecessary parentheses around assigned value
  --> $DIR/issue-54752-async-block.rs:6:22
   |
LL | fn main() { let _a = (async  { }); }
   |                      ^^^^^^^^^^^^ help: remove these parentheses
   |
   = note: `#[warn(unused_parens)]` on by default