error: top-level or-patterns are not allowed in function parameters
  --> $DIR/or-patterns-syntactic-fail.rs:15:13
   |
LL |     fn fun1(A | B: E) {}
   |             ^^^^^ help: wrap the pattern in parentheses: `(A | B)`

error: top-level or-patterns are not allowed in function parameters
  --> $DIR/or-patterns-syntactic-fail.rs:18:13
   |
LL |     fn fun2(| A | B: E) {}
   |             ^^^^^^^ help: wrap the pattern in parentheses: `(A | B)`

error: top-level or-patterns are not allowed in `let` bindings
  --> $DIR/or-patterns-syntactic-fail.rs:23:9
   |
LL |     let A | B: E = A;
   |         ^^^^^ help: wrap the pattern in parentheses: `(A | B)`

error: top-level or-patterns are not allowed in `let` bindings
  --> $DIR/or-patterns-syntactic-fail.rs:26:9
   |
LL |     let | A | B: E = A;
   |         ^^^^^^^ help: wrap the pattern in parentheses: `(A | B)`

error[E0369]: no implementation for `E | ()`
  --> $DIR/or-patterns-syntactic-fail.rs:11:22
   |
LL |     let _ = |A | B: E| ();
   |                  ----^ -- ()
   |                  |
   |                  E
   |
note: an implementation of `BitOr<_>` might be missing for `E`
  --> $DIR/or-patterns-syntactic-fail.rs:6:1
   |
LL | enum E { A, B }
   | ^^^^^^ must implement `BitOr<_>`
note: the trait `BitOr` must be implemented
  --> $SRC_DIR/core/src/ops/bit.rs:LL:COL

error: aborting due to 5 previous errors

For more information about this error, try `rustc --explain E0369`.