1 error: removing an expression is not supported in this position
2 --> $DIR/cfg-non-opt-expr.rs:15:13
4 LL | let _ = #[cfg(unset)] ();
7 error: removing an expression is not supported in this position
8 --> $DIR/cfg-non-opt-expr.rs:17:21
10 LL | let _ = 1 + 2 + #[cfg(unset)] 3;
13 error: removing an expression is not supported in this position
14 --> $DIR/cfg-non-opt-expr.rs:19:23
16 LL | let _ = [1, 2, 3][#[cfg(unset)] 1];
19 error: removing an expression is not supported in this position
20 --> $DIR/cfg-non-opt-expr.rs:21:13
22 LL | let _ = #[test_case] ();
25 error: aborting due to 4 previous errors