error[E0573]: expected type, found variant `Mode::Cool`
  --> $DIR/assoc_const_eq_diagnostic.rs:11:35
   |
LL | pub trait CoolStuff: Parse<MODE = Mode::Cool> {}
   |                                   ^^^^^^^^^^
   |                                   |
   |                                   not a type
   |                                   help: try using the variant's enum: `Mode`

error[E0573]: expected type, found variant `Mode::Cool`
  --> $DIR/assoc_const_eq_diagnostic.rs:16:17
   |
LL | fn no_help() -> Mode::Cool {}
   |                 ^^^^^^^^^^
   |                 |
   |                 not a type
   |                 help: try using the variant's enum: `Mode`

error: expected constant, found type
  --> $DIR/assoc_const_eq_diagnostic.rs:11:35
   |
LL | pub trait CoolStuff: Parse<MODE = Mode::Cool> {}
   |                            ----   ^^^^^^^^^^ unexpected type
   |                            |
   |                            expected a constant because of this associated constant
   |
note: the associated constant is defined here
  --> $DIR/assoc_const_eq_diagnostic.rs:8:5
   |
LL |     const MODE: Mode;
   |     ^^^^^^^^^^^^^^^^
help: consider adding braces here
   |
LL | pub trait CoolStuff: Parse<MODE = { Mode::Cool }> {}
   |                                   +            +

error: expected constant, found type
  --> $DIR/assoc_const_eq_diagnostic.rs:11:35
   |
LL | pub trait CoolStuff: Parse<MODE = Mode::Cool> {}
   |                            ----   ^^^^^^^^^^ unexpected type
   |                            |
   |                            expected a constant because of this associated constant
   |
note: the associated constant is defined here
  --> $DIR/assoc_const_eq_diagnostic.rs:8:5
   |
LL |     const MODE: Mode;
   |     ^^^^^^^^^^^^^^^^
   = note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no`
help: consider adding braces here
   |
LL | pub trait CoolStuff: Parse<MODE = { Mode::Cool }> {}
   |                                   +            +

error: aborting due to 4 previous errors

For more information about this error, try `rustc --explain E0573`.