Update tests

Author: Nadrieril

tests/ui/feature-gates/feature-gate-exhaustive-patterns.rs

@@ -5,5 +5,5 @@ fn foo() -> Result<u32, !> {
 }
 
 fn main() {
-    let Ok(_x) = foo(); //~ ERROR refutable pattern in local binding
+    let Ok(_x) = &foo(); //~ ERROR refutable pattern in local binding
 }

tests/ui/feature-gates/feature-gate-exhaustive-patterns.stderr

@@ -1,16 +1,16 @@
 error[E0005]: refutable pattern in local binding
   --> $DIR/feature-gate-exhaustive-patterns.rs:8:9
    |
-LL |     let Ok(_x) = foo();
-   |         ^^^^^^ pattern `Err(_)` not covered
+LL |     let Ok(_x) = &foo();
+   |         ^^^^^^ pattern `&Err(_)` 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 `Result<u32, !>`
+   = note: the matched value is of type `&Result<u32, !>`
 help: you might want to use `let else` to handle the variant that isn't matched
    |
-LL |     let Ok(_x) = foo() else { todo!() };
-   |                        ++++++++++++++++
+LL |     let Ok(_x) = &foo() else { todo!() };
+   |                         ++++++++++++++++
 
 error: aborting due to 1 previous error
 

tests/ui/pattern/usefulness/empty-match-check-notes.exhaustive_patterns.stderr

@@ -31,7 +31,7 @@ LL |         _ if false => {}
 error[E0005]: refutable pattern in local binding
   --> $DIR/empty-match-check-notes.rs:35:9
    |
-LL |     let None = x;
+LL |     let None = *x;
    |         ^^^^ pattern `Some(_)` not covered
    |
    = note: `let` bindings require an "irrefutable pattern", like a `struct` or an `enum` with only one variant
@@ -40,8 +40,8 @@ LL |     let None = x;
    = note: the matched value is of type `Option<SecretlyUninhabitedForeignStruct>`
 help: you might want to use `if let` to ignore the variant that isn't matched
    |
-LL |     if let None = x { todo!() };
-   |     ++              +++++++++++
+LL |     if let None = *x { todo!() };
+   |     ++               +++++++++++
 
 error[E0004]: non-exhaustive patterns: `0_u8..=u8::MAX` not covered
   --> $DIR/empty-match-check-notes.rs:45:11

tests/ui/pattern/usefulness/empty-match-check-notes.normal.stderr

@@ -31,16 +31,17 @@ LL |         _ if false => {}
 error[E0005]: refutable pattern in local binding
   --> $DIR/empty-match-check-notes.rs:35:9
    |
-LL |     let None = x;
+LL |     let None = *x;
    |         ^^^^ pattern `Some(_)` 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: pattern `Some(_)` is currently uninhabited, but this variant contains private fields which may become inhabited in the future
    = note: the matched value is of type `Option<SecretlyUninhabitedForeignStruct>`
 help: you might want to use `if let` to ignore the variant that isn't matched
    |
-LL |     if let None = x { todo!() };
-   |     ++              +++++++++++
+LL |     if let None = *x { todo!() };
+   |     ++               +++++++++++
 
 error[E0004]: non-exhaustive patterns: `0_u8..=u8::MAX` not covered
   --> $DIR/empty-match-check-notes.rs:45:11

tests/ui/pattern/usefulness/empty-match-check-notes.rs

@@ -31,14 +31,14 @@ fn empty_foreign_enum(x: empty::EmptyForeignEnum) {
     }
 }
 
-fn empty_foreign_enum_private(x: Option<empty::SecretlyUninhabitedForeignStruct>) {
-    let None = x;
+fn empty_foreign_enum_private(x: &Option<empty::SecretlyUninhabitedForeignStruct>) {
+    let None = *x;
     //~^ ERROR refutable pattern in local binding
     //~| NOTE `let` bindings require an "irrefutable pattern"
     //~| NOTE for more information, visit
     //~| NOTE the matched value is of type
     //~| NOTE pattern `Some(_)` not covered
-    //[exhaustive_patterns]~| NOTE currently uninhabited, but this variant contains private fields
+    //~| NOTE currently uninhabited, but this variant contains private fields
 }
 
 fn main() {