error[E0223]: ambiguous associated type
  --> $DIR/dont-select-if-disabled.rs:13:10
   |
LL | struct S(S::P);
   |          ^^^^
   |
help: if there were a trait named `Example` with associated type `P` implemented for `S`, you could use the fully-qualified path
   |
LL | struct S(<S as Example>::P);
   |          ~~~~~~~~~~~~~~~~~

error[E0658]: inherent associated types are unstable
  --> $DIR/dont-select-if-disabled.rs:15:10
   |
LL | impl S { type P = (); }
   |          ^^^^^^^^^^^^
   |
   = note: see issue #8995 <https://github.com/rust-lang/rust/issues/8995> for more information
   = help: add `#![feature(inherent_associated_types)]` to the crate attributes to enable

error: aborting due to 2 previous errors

Some errors have detailed explanations: E0223, E0658.
For more information about an error, try `rustc --explain E0223`.