1 error: unused variable: `a`
2 --> $DIR/issue-22599.rs:18:19
4 LL | v = match 0 { a => 0 }; //~ ERROR: unused variable: `a`
5 | ^ help: consider using `_a` instead
7 note: lint level defined here
8 --> $DIR/issue-22599.rs:11:9
10 LL | #![deny(unused_variables)]
13 error: aborting due to previous error