error: to use a constant of type `Foo` in a pattern, `Foo` must be annotated with `#[derive(PartialEq, Eq)]`
  --> $DIR/consts-opaque.rs:34:9
   |
LL |         FOO => {}
   |         ^^^

error: unreachable pattern
  --> $DIR/consts-opaque.rs:36:9
   |
LL |         _ => {} // should not be emitting unreachable warning
   |         ^
   |
note: the lint level is defined here
  --> $DIR/consts-opaque.rs:6:9
   |
LL | #![deny(unreachable_patterns)]
   |         ^^^^^^^^^^^^^^^^^^^^

error: to use a constant of type `Foo` in a pattern, `Foo` must be annotated with `#[derive(PartialEq, Eq)]`
  --> $DIR/consts-opaque.rs:41:9
   |
LL |         FOO_REF => {}
   |         ^^^^^^^

error: unreachable pattern
  --> $DIR/consts-opaque.rs:43:9
   |
LL |         Foo(_) => {} // should not be emitting unreachable warning
   |         ^^^^^^

error: to use a constant of type `Bar` in a pattern, `Bar` must be annotated with `#[derive(PartialEq, Eq)]`
  --> $DIR/consts-opaque.rs:55:9
   |
LL |         BAR => {} // should not be emitting unreachable warning
   |         ^^^

error: unreachable pattern
  --> $DIR/consts-opaque.rs:55:9
   |
LL |         Bar => {}
   |         --- matches any value
LL |         BAR => {} // should not be emitting unreachable warning
   |         ^^^ unreachable pattern

error: unreachable pattern
  --> $DIR/consts-opaque.rs:58:9
   |
LL |         Bar => {}
   |         --- matches any value
...
LL |         _ => {}
   |         ^ unreachable pattern

error: to use a constant of type `Bar` in a pattern, `Bar` must be annotated with `#[derive(PartialEq, Eq)]`
  --> $DIR/consts-opaque.rs:63:9
   |
LL |         BAR => {}
   |         ^^^

error: unreachable pattern
  --> $DIR/consts-opaque.rs:65:9
   |
LL |         Bar => {} // should not be emitting unreachable warning
   |         ^^^

error: unreachable pattern
  --> $DIR/consts-opaque.rs:67:9
   |
LL |         Bar => {} // should not be emitting unreachable warning
   |         --- matches any value
LL |
LL |         _ => {}
   |         ^ unreachable pattern

error: to use a constant of type `Bar` in a pattern, `Bar` must be annotated with `#[derive(PartialEq, Eq)]`
  --> $DIR/consts-opaque.rs:72:9
   |
LL |         BAR => {}
   |         ^^^

error: to use a constant of type `Bar` in a pattern, `Bar` must be annotated with `#[derive(PartialEq, Eq)]`
  --> $DIR/consts-opaque.rs:74:9
   |
LL |         BAR => {} // should not be emitting unreachable warning
   |         ^^^

error: unreachable pattern
  --> $DIR/consts-opaque.rs:74:9
   |
LL |         BAR => {} // should not be emitting unreachable warning
   |         ^^^

error: unreachable pattern
  --> $DIR/consts-opaque.rs:77:9
   |
LL |         _ => {} // should not be emitting unreachable warning
   |         ^

error: to use a constant of type `Baz` in a pattern, `Baz` must be annotated with `#[derive(PartialEq, Eq)]`
  --> $DIR/consts-opaque.rs:82:9
   |
LL |         BAZ => {}
   |         ^^^

error: unreachable pattern
  --> $DIR/consts-opaque.rs:84:9
   |
LL |         Baz::Baz1 => {} // should not be emitting unreachable warning
   |         ^^^^^^^^^

error: unreachable pattern
  --> $DIR/consts-opaque.rs:86:9
   |
LL |         _ => {}
   |         ^

error: to use a constant of type `Baz` in a pattern, `Baz` must be annotated with `#[derive(PartialEq, Eq)]`
  --> $DIR/consts-opaque.rs:92:9
   |
LL |         BAZ => {}
   |         ^^^

error: unreachable pattern
  --> $DIR/consts-opaque.rs:94:9
   |
LL |         _ => {}
   |         ^

error: to use a constant of type `Baz` in a pattern, `Baz` must be annotated with `#[derive(PartialEq, Eq)]`
  --> $DIR/consts-opaque.rs:99:9
   |
LL |         BAZ => {}
   |         ^^^

error: unreachable pattern
  --> $DIR/consts-opaque.rs:101:9
   |
LL |         Baz::Baz2 => {} // should not be emitting unreachable warning
   |         ^^^^^^^^^

error: unreachable pattern
  --> $DIR/consts-opaque.rs:103:9
   |
LL |         _ => {} // should not be emitting unreachable warning
   |         ^

error: aborting due to 22 previous errors