error[E0735]: generic parameters cannot use `Self` in their defaults
  --> $DIR/issue-61631-default-type-param-cannot-reference-self.rs:13:25
   |
LL | struct Snobound<'a, P = Self> { x: Option<&'a P> }
   |                         ^^^^ `Self` in generic parameter default

error[E0735]: generic parameters cannot use `Self` in their defaults
  --> $DIR/issue-61631-default-type-param-cannot-reference-self.rs:16:23
   |
LL | enum Enobound<'a, P = Self> { A, B(Option<&'a P>) }
   |                       ^^^^ `Self` in generic parameter default

error[E0735]: generic parameters cannot use `Self` in their defaults
  --> $DIR/issue-61631-default-type-param-cannot-reference-self.rs:19:24
   |
LL | union Unobound<'a, P = Self> { x: i32, y: Option<&'a P> }
   |                        ^^^^ `Self` in generic parameter default

error[E0735]: generic parameters cannot use `Self` in their defaults
  --> $DIR/issue-61631-default-type-param-cannot-reference-self.rs:25:31
   |
LL | struct Ssized<'a, P: Sized = [Self]> { x: Option<&'a P> }
   |                               ^^^^ `Self` in generic parameter default

error[E0735]: generic parameters cannot use `Self` in their defaults
  --> $DIR/issue-61631-default-type-param-cannot-reference-self.rs:28:29
   |
LL | enum Esized<'a, P: Sized = [Self]> { A, B(Option<&'a P>) }
   |                             ^^^^ `Self` in generic parameter default

error[E0735]: generic parameters cannot use `Self` in their defaults
  --> $DIR/issue-61631-default-type-param-cannot-reference-self.rs:31:30
   |
LL | union Usized<'a, P: Sized = [Self]> { x: i32, y: Option<&'a P> }
   |                              ^^^^ `Self` in generic parameter default

error: aborting due to 6 previous errors

For more information about this error, try `rustc --explain E0735`.