error[E0409]: variable `x` is bound inconsistently across alternatives separated by `|`
  --> $DIR/issue-44912-or.rs:6:35
   |
LL |         Some((x, 3)) | &Some((ref x, 5)) => x,
   |               - first binding     ^ bound in different ways

error: aborting due to 1 previous error

For more information about this error, try `rustc --explain E0409`.