error[E0658]: use of unstable library feature `deref_patterns`: placeholder syntax for deref patterns
  --> $DIR/needs-gate.rs:5:9
   |
LL |         deref!(0) => {}
   |         ^^^^^
   |
   = note: see issue #87121 <https://github.com/rust-lang/rust/issues/87121> for more information
   = help: add `#![feature(deref_patterns)]` to the crate attributes to enable
   = note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date

error[E0308]: mismatched types
  --> $DIR/needs-gate.rs:11:9
   |
LL |     match Box::new(0) {
   |           ----------- this expression has type `Box<{integer}>`
LL |         0 => {}
   |         ^ expected `Box<{integer}>`, found integer
   |
   = note: expected struct `Box<{integer}>`
                found type `{integer}`
help: consider dereferencing to access the inner value using the Deref trait
   |
LL |     match *Box::new(0) {
   |           +

error[E0308]: mismatched types
  --> $DIR/needs-gate.rs:18:9
   |
LL |     match *"test" {
   |           ------- this expression has type `str`
LL |         "test" => {}
   |         ^^^^^^ expected `str`, found `&str`

error[E0308]: mismatched types
  --> $DIR/needs-gate.rs:23:9
   |
LL |     match *b"test" {
   |           -------- this expression has type `[u8; 4]`
LL |         b"test" => {}
   |         ^^^^^^^ expected `[u8; 4]`, found `&[u8; 4]`

error[E0308]: mismatched types
  --> $DIR/needs-gate.rs:28:9
   |
LL |     match *(b"test" as &[u8]) {
   |           ------------------- this expression has type `[u8]`
LL |         b"test" => {}
   |         ^^^^^^^ expected `[u8]`, found `&[u8; 4]`

error[E0308]: mismatched types
  --> $DIR/needs-gate.rs:35:9
   |
LL |     match &"str" {
   |           ------ this expression has type `&&str`
LL |         "str" => {}
   |         ^^^^^ expected `&&str`, found `&str`
   |
   = note: expected reference `&&_`
              found reference `&'static _`

error[E0308]: mismatched types
  --> $DIR/needs-gate.rs:40:9
   |
LL |     match &b"str" {
   |           ------- this expression has type `&&[u8; 3]`
LL |         b"str" => {}
   |         ^^^^^^ expected `&&[u8; 3]`, found `&[u8; 3]`
   |
   = note: expected reference `&&_`
              found reference `&'static _`

error[E0308]: mismatched types
  --> $DIR/needs-gate.rs:45:9
   |
LL |     match "str".to_owned() {
   |           ---------------- this expression has type `String`
LL |         "str" => {}
   |         ^^^^^ expected `String`, found `&str`

error[E0308]: mismatched types
  --> $DIR/needs-gate.rs:52:12
   |
LL |     if let "str" = &mut *"str".to_string() {}
   |            ^^^^^   ----------------------- this expression has type `&mut str`
   |            |
   |            types differ in mutability
   |
   = note: expected mutable reference `&mut _`
                      found reference `&'static _`

error[E0308]: mismatched types
  --> $DIR/needs-gate.rs:54:12
   |
LL |     if let b"str" = &mut b"str".clone() {}
   |            ^^^^^^   ------------------- this expression has type `&mut [u8; 3]`
   |            |
   |            types differ in mutability
   |
   = note: expected mutable reference `&mut _`
                      found reference `&'static _`

error[E0308]: mismatched types
  --> $DIR/needs-gate.rs:56:12
   |
LL |     if let b"str" = &mut b"str".clone()[..] {}
   |            ^^^^^^   ----------------------- this expression has type `&mut [u8]`
   |            |
   |            types differ in mutability
   |
   = note: expected mutable reference `&mut _`
                      found reference `&'static _`

error: aborting due to 11 previous errors

Some errors have detailed explanations: E0308, E0658.
For more information about an error, try `rustc --explain E0308`.