error: expected identifier, found `:`
  --> $DIR/or-patterns-syntactic-fail.rs:11:19
   |
LL |     let _ = |A | B: E| ();
   |                   ^ expected identifier
   |
   = note: type ascription syntax has been removed, see issue #101728 <https://github.com/rust-lang/rust/issues/101728>

error: top-level or-patterns are not allowed in function parameters
  --> $DIR/or-patterns-syntactic-fail.rs:18:13
   |
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:21:13
   |
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:26:9
   |
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:29:9
   |
LL |     let | A | B: E = A;
   |         ^^^^^^^ help: wrap the pattern in parentheses: `(A | B)`

error: aborting due to 5 previous errors