error: a leading `|` is not allowed in a parameter pattern
  --> $DIR/remove-leading-vert.rs:12:14
   |
LL |     fn fun1( | A: E) {}
   |              ^ help: remove the `|`

error: a leading `|` is not allowed in a parameter pattern
  --> $DIR/remove-leading-vert.rs:13:14
   |
LL |     fn fun2( || A: E) {}
   |              ^^ help: remove the `||`

error: a leading `|` is only allowed in a top-level pattern
  --> $DIR/remove-leading-vert.rs:14:11
   |
LL |     let ( | A): E;
   |           ^ help: remove the `|`

error: a leading `|` is only allowed in a top-level pattern
  --> $DIR/remove-leading-vert.rs:15:11
   |
LL |     let ( || A): (E);
   |           ^^ help: remove the `||`

error: a leading `|` is only allowed in a top-level pattern
  --> $DIR/remove-leading-vert.rs:16:11
   |
LL |     let ( | A,): (E,);
   |           ^ help: remove the `|`

error: a leading `|` is only allowed in a top-level pattern
  --> $DIR/remove-leading-vert.rs:17:11
   |
LL |     let [ | A ]: [E; 1];
   |           ^ help: remove the `|`

error: a leading `|` is only allowed in a top-level pattern
  --> $DIR/remove-leading-vert.rs:18:11
   |
LL |     let [ || A ]: [E; 1];
   |           ^^ help: remove the `||`

error: a leading `|` is only allowed in a top-level pattern
  --> $DIR/remove-leading-vert.rs:19:13
   |
LL |     let TS( | A ): TS;
   |             ^ help: remove the `|`

error: a leading `|` is only allowed in a top-level pattern
  --> $DIR/remove-leading-vert.rs:20:13
   |
LL |     let TS( || A ): TS;
   |             ^^ help: remove the `||`

error: a leading `|` is only allowed in a top-level pattern
  --> $DIR/remove-leading-vert.rs:21:17
   |
LL |     let NS { f: | A }: NS;
   |                 ^ help: remove the `|`

error: a leading `|` is only allowed in a top-level pattern
  --> $DIR/remove-leading-vert.rs:22:17
   |
LL |     let NS { f: || A }: NS;
   |                 ^^ help: remove the `||`

error: aborting due to 11 previous errors