error: you don't need to add `&` to both the expression and the patterns
  --> $DIR/ice-2636.rs:21:9
   |
21 | /         match $foo {
22 | |             $ ( & $t => $ord,
23 | |             )*
24 | |         };
   | |_________^
...
30 |       test_hash!(&a, A => 0, B => 1, C => 2);
   |       --------------------------------------- in this macro invocation
   |
   = note: `-D clippy::match-ref-pats` implied by `-D warnings`

error: aborting due to previous error