error: type of pattern does not match the expression type
  --> $DIR/syntax.rs:11:9
   |
LL |         Some(_) => (),
   |         ^^^^^^^
   |
   = help: use `*` to dereference the match expression or explicitly match against a `&_` pattern and adjust the enclosed variable bindings
   = note: `-D clippy::pattern-type-mismatch` implied by `-D warnings`

error: type of pattern does not match the expression type
  --> $DIR/syntax.rs:30:12
   |
LL |     if let Some(_) = ref_value {}
   |            ^^^^^^^
   |
   = help: use `*` to dereference the match expression or explicitly match against a `&_` pattern and adjust the enclosed variable bindings

error: type of pattern does not match the expression type
  --> $DIR/syntax.rs:41:15
   |
LL |     while let Some(_) = ref_value {
   |               ^^^^^^^
   |
   = help: use `*` to dereference the match expression or explicitly match against a `&_` pattern and adjust the enclosed variable bindings

error: type of pattern does not match the expression type
  --> $DIR/syntax.rs:59:9
   |
LL |     for (_a, _b) in slice.iter() {}
   |         ^^^^^^^^
   |
   = help: explicitly match against a `&_` pattern and adjust the enclosed variable bindings

error: type of pattern does not match the expression type
  --> $DIR/syntax.rs:69:9
   |
LL |     let (_n, _m) = ref_value;
   |         ^^^^^^^^
   |
   = help: use `*` to dereference the match expression or explicitly match against a `&_` pattern and adjust the enclosed variable bindings

error: type of pattern does not match the expression type
  --> $DIR/syntax.rs:78:12
   |
LL |     fn foo((_a, _b): &(i32, i32)) {}
   |            ^^^^^^^^
   |
   = help: explicitly match against a `&_` pattern and adjust the enclosed variable bindings

error: type of pattern does not match the expression type
  --> $DIR/syntax.rs:92:10
   |
LL |     foo(|(_a, _b)| ());
   |          ^^^^^^^^
   |
   = help: explicitly match against a `&_` pattern and adjust the enclosed variable bindings

error: type of pattern does not match the expression type
  --> $DIR/syntax.rs:108:9
   |
LL |         Some(_) => (),
   |         ^^^^^^^
   |
   = help: use `*` to dereference the match expression or explicitly match against a `&_` pattern and adjust the enclosed variable bindings

error: type of pattern does not match the expression type
  --> $DIR/syntax.rs:128:17
   |
LL |                 Some(_) => (),
   |                 ^^^^^^^
...
LL |     matching_macro!(value);
   |     ---------------------- in this macro invocation
   |
   = help: use `*` to dereference the match expression or explicitly match against a `&_` pattern and adjust the enclosed variable bindings
   = note: this error originates in the macro `matching_macro` (in Nightly builds, run with -Z macro-backtrace for more info)

error: aborting due to 9 previous errors