error: unreachable pattern --> $DIR/unreachable-arm.rs:11:9 | LL | Foo::B(_) | Foo::A(box _, 1) => { } | ---------------------------- matches all the relevant values LL | Foo::A(_, 1) => { } | ^^^^^^^^^^^^ no value can reach this | note: the lint level is defined here --> $DIR/unreachable-arm.rs:4:9 | LL | #![deny(unreachable_patterns)] | ^^^^^^^^^^^^^^^^^^^^ error: aborting due to 1 previous error