1 error: unreachable pattern
2 --> $DIR/unreachable-arm.rs:21:9
4 LL | Foo::A(_, 1) => { } //~ ERROR unreachable pattern
7 note: lint level defined here
8 --> $DIR/unreachable-arm.rs:14:9
10 LL | #![deny(unreachable_patterns)]
11 | ^^^^^^^^^^^^^^^^^^^^
13 error: aborting due to previous error