error[E0005]: refutable pattern in local binding: `i32::MIN..=-1_i32` and `1_i32..=i32::MAX` not covered
  --> $DIR/const-match-check.rs:4:22
   |
LL | const X: i32 = { let 0 = 0; 0 };
   |                      ^ patterns `i32::MIN..=-1_i32` and `1_i32..=i32::MAX` not covered
   |
   = note: `let` bindings require an "irrefutable pattern", like a `struct` or an `enum` with only one variant
   = note: for more information, visit https://doc.rust-lang.org/book/ch18-02-refutability.html
   = note: the matched value is of type `i32`
help: you might want to use `if let` to ignore the variant that isn't matched
   |
LL | const X: i32 = { if let 0 = 0 { /* */ } 0 };
   |                  ^^^^^^^^^^^^^^^^^^^^^^

error[E0005]: refutable pattern in local binding: `i32::MIN..=-1_i32` and `1_i32..=i32::MAX` not covered
  --> $DIR/const-match-check.rs:8:23
   |
LL | static Y: i32 = { let 0 = 0; 0 };
   |                       ^ patterns `i32::MIN..=-1_i32` and `1_i32..=i32::MAX` not covered
   |
   = note: `let` bindings require an "irrefutable pattern", like a `struct` or an `enum` with only one variant
   = note: for more information, visit https://doc.rust-lang.org/book/ch18-02-refutability.html
   = note: the matched value is of type `i32`
help: you might want to use `if let` to ignore the variant that isn't matched
   |
LL | static Y: i32 = { if let 0 = 0 { /* */ } 0 };
   |                   ^^^^^^^^^^^^^^^^^^^^^^

error[E0005]: refutable pattern in local binding: `i32::MIN..=-1_i32` and `1_i32..=i32::MAX` not covered
  --> $DIR/const-match-check.rs:13:26
   |
LL |     const X: i32 = { let 0 = 0; 0 };
   |                          ^ patterns `i32::MIN..=-1_i32` and `1_i32..=i32::MAX` not covered
   |
   = note: `let` bindings require an "irrefutable pattern", like a `struct` or an `enum` with only one variant
   = note: for more information, visit https://doc.rust-lang.org/book/ch18-02-refutability.html
   = note: the matched value is of type `i32`
help: you might want to use `if let` to ignore the variant that isn't matched
   |
LL |     const X: i32 = { if let 0 = 0 { /* */ } 0 };
   |                      ^^^^^^^^^^^^^^^^^^^^^^

error[E0005]: refutable pattern in local binding: `i32::MIN..=-1_i32` and `1_i32..=i32::MAX` not covered
  --> $DIR/const-match-check.rs:19:26
   |
LL |     const X: i32 = { let 0 = 0; 0 };
   |                          ^ patterns `i32::MIN..=-1_i32` and `1_i32..=i32::MAX` not covered
   |
   = note: `let` bindings require an "irrefutable pattern", like a `struct` or an `enum` with only one variant
   = note: for more information, visit https://doc.rust-lang.org/book/ch18-02-refutability.html
   = note: the matched value is of type `i32`
help: you might want to use `if let` to ignore the variant that isn't matched
   |
LL |     const X: i32 = { if let 0 = 0 { /* */ } 0 };
   |                      ^^^^^^^^^^^^^^^^^^^^^^

error: aborting due to 4 previous errors

For more information about this error, try `rustc --explain E0005`.