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