error: an `fn` pointer type cannot be `const`
  --> $DIR/recover-const-async-fn-ptr.rs:3:11
   |
LL | type T0 = const fn();
   |           -----^^^^^
   |           |
   |           `const` because of this
   |           help: remove the `const` qualifier

error: an `fn` pointer type cannot be `const`
  --> $DIR/recover-const-async-fn-ptr.rs:4:11
   |
LL | type T1 = const extern "C" fn();
   |           -----^^^^^^^^^^^^^^^^
   |           |
   |           `const` because of this
   |           help: remove the `const` qualifier

error: an `fn` pointer type cannot be `const`
  --> $DIR/recover-const-async-fn-ptr.rs:5:11
   |
LL | type T2 = const unsafe extern fn();
   |           -----^^^^^^^^^^^^^^^^^^^
   |           |
   |           `const` because of this
   |           help: remove the `const` qualifier

error: an `fn` pointer type cannot be `async`
  --> $DIR/recover-const-async-fn-ptr.rs:6:11
   |
LL | type T3 = async fn();
   |           -----^^^^^
   |           |
   |           `async` because of this
   |           help: remove the `async` qualifier

error: an `fn` pointer type cannot be `async`
  --> $DIR/recover-const-async-fn-ptr.rs:7:11
   |
LL | type T4 = async extern fn();
   |           -----^^^^^^^^^^^^
   |           |
   |           `async` because of this
   |           help: remove the `async` qualifier

error: an `fn` pointer type cannot be `async`
  --> $DIR/recover-const-async-fn-ptr.rs:8:11
   |
LL | type T5 = async unsafe extern "C" fn();
   |           -----^^^^^^^^^^^^^^^^^^^^^^^
   |           |
   |           `async` because of this
   |           help: remove the `async` qualifier

error: an `fn` pointer type cannot be `const`
  --> $DIR/recover-const-async-fn-ptr.rs:9:11
   |
LL | type T6 = const async unsafe extern "C" fn();
   |           -----^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
   |           |
   |           `const` because of this
   |           help: remove the `const` qualifier

error: an `fn` pointer type cannot be `async`
  --> $DIR/recover-const-async-fn-ptr.rs:9:11
   |
LL | type T6 = const async unsafe extern "C" fn();
   |           ^^^^^^-----^^^^^^^^^^^^^^^^^^^^^^^
   |                 |
   |                 `async` because of this
   |                 help: remove the `async` qualifier

error: an `fn` pointer type cannot be `const`
  --> $DIR/recover-const-async-fn-ptr.rs:13:12
   |
LL | type FT0 = for<'a> const fn();
   |            ^^^^^^^^-----^^^^^
   |                    |
   |                    `const` because of this
   |                    help: remove the `const` qualifier

error: an `fn` pointer type cannot be `const`
  --> $DIR/recover-const-async-fn-ptr.rs:14:12
   |
LL | type FT1 = for<'a> const extern "C" fn();
   |            ^^^^^^^^-----^^^^^^^^^^^^^^^^
   |                    |
   |                    `const` because of this
   |                    help: remove the `const` qualifier

error: an `fn` pointer type cannot be `const`
  --> $DIR/recover-const-async-fn-ptr.rs:15:12
   |
LL | type FT2 = for<'a> const unsafe extern fn();
   |            ^^^^^^^^-----^^^^^^^^^^^^^^^^^^^
   |                    |
   |                    `const` because of this
   |                    help: remove the `const` qualifier

error: an `fn` pointer type cannot be `async`
  --> $DIR/recover-const-async-fn-ptr.rs:16:12
   |
LL | type FT3 = for<'a> async fn();
   |            ^^^^^^^^-----^^^^^
   |                    |
   |                    `async` because of this
   |                    help: remove the `async` qualifier

error: an `fn` pointer type cannot be `async`
  --> $DIR/recover-const-async-fn-ptr.rs:17:12
   |
LL | type FT4 = for<'a> async extern fn();
   |            ^^^^^^^^-----^^^^^^^^^^^^
   |                    |
   |                    `async` because of this
   |                    help: remove the `async` qualifier

error: an `fn` pointer type cannot be `async`
  --> $DIR/recover-const-async-fn-ptr.rs:18:12
   |
LL | type FT5 = for<'a> async unsafe extern "C" fn();
   |            ^^^^^^^^-----^^^^^^^^^^^^^^^^^^^^^^^
   |                    |
   |                    `async` because of this
   |                    help: remove the `async` qualifier

error: an `fn` pointer type cannot be `const`
  --> $DIR/recover-const-async-fn-ptr.rs:19:12
   |
LL | type FT6 = for<'a> const async unsafe extern "C" fn();
   |            ^^^^^^^^-----^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
   |                    |
   |                    `const` because of this
   |                    help: remove the `const` qualifier

error: an `fn` pointer type cannot be `async`
  --> $DIR/recover-const-async-fn-ptr.rs:19:12
   |
LL | type FT6 = for<'a> const async unsafe extern "C" fn();
   |            ^^^^^^^^^^^^^^-----^^^^^^^^^^^^^^^^^^^^^^^
   |                          |
   |                          `async` because of this
   |                          help: remove the `async` qualifier

error[E0308]: mismatched types
  --> $DIR/recover-const-async-fn-ptr.rs:24:33
   |
LL |     let _recovery_witness: () = 0;
   |                            --   ^ expected `()`, found integer
   |                            |
   |                            expected due to this

error: aborting due to 17 previous errors

For more information about this error, try `rustc --explain E0308`.