error: `$x:pat` is followed by `|`, which is not allowed for `pat` fragments
  --> $DIR/macro-pat-pattern-followed-by-or-in-2021.rs:3:28
   |
LL | macro_rules! foo { ($x:pat | $y:pat) => {} }
   |                            ^ not allowed after `pat` fragments
   |
   = note: allowed there are: `=>`, `,`, `=`, `if` or `in`

error: `$x:pat` is followed by `|`, which is not allowed for `pat` fragments
  --> $DIR/macro-pat-pattern-followed-by-or-in-2021.rs:4:32
   |
LL | macro_rules! bar { ($($x:pat)+ | $($y:pat)+) => {} }
   |                                ^ not allowed after `pat` fragments
   |
   = note: allowed there are: `=>`, `,`, `=`, `if` or `in`

error: `$pat:pat` may be followed by `|`, which is not allowed for `pat` fragments
  --> $DIR/macro-pat-pattern-followed-by-or-in-2021.rs:7:36
   |
LL |     ( $expr:expr , $( $( $pat:pat )|+ => $expr_arm:expr ),+ ) => {
   |                                    ^ not allowed after `pat` fragments
   |
   = note: allowed there are: `=>`, `,`, `=`, `if` or `in`

error: aborting due to 3 previous errors