Bless new diagnostics

Author: ecstatic-morse

src/test/ui/consts/const_in_pattern/reject_non_partial_eq.rs

@@ -26,7 +26,7 @@ fn main() {
 
     match None {
         NO_PARTIAL_EQ_NONE => println!("NO_PARTIAL_EQ_NONE"),
-        //~^ ERROR must be annotated with `#[derive(PartialEq, Eq)]`
+        //~^ ERROR must implement `PartialEq`
         _ => panic!("whoops"),
     }
 }

src/test/ui/consts/const_in_pattern/reject_non_partial_eq.stderr

@@ -1,4 +1,4 @@
-error: to use a constant of type `NoPartialEq` in a pattern, `NoPartialEq` must be annotated with `#[derive(PartialEq, Eq)]`
+error: `std::option::Option<NoPartialEq>` must implement `PartialEq` to be used in a pattern
   --> $DIR/reject_non_partial_eq.rs:28:9
    |
 LL |         NO_PARTIAL_EQ_NONE => println!("NO_PARTIAL_EQ_NONE"),

src/test/ui/match/issue-70972-dyn-trait.rs

@@ -4,7 +4,7 @@ fn main() {
     let a: &dyn Send = &7u32;
     match a {
         F => panic!(),
-        //~^ ERROR trait objects cannot be used in patterns
+        //~^ ERROR must implement `PartialEq`
         _ => {}
     }
 }

src/test/ui/match/issue-70972-dyn-trait.stderr

@@ -1,4 +1,4 @@
-error: trait objects cannot be used in patterns
+error: `&dyn std::marker::Send` must implement `PartialEq` to be used in a pattern
   --> $DIR/issue-70972-dyn-trait.rs:6:9
    |
 LL |         F => panic!(),

src/test/ui/rfc1445/issue-61188-match-slice-forbidden-without-eq.rs

@@ -13,7 +13,7 @@ const A: &[B] = &[];
 pub fn main() {
     match &[][..] {
         A => (),
-        //~^ ERROR must be annotated with `#[derive(PartialEq, Eq)]`
+        //~^ ERROR must implement `PartialEq`
         _ => (),
     }
 }

src/test/ui/rfc1445/issue-61188-match-slice-forbidden-without-eq.stderr

@@ -1,4 +1,4 @@
-error: to use a constant of type `B` in a pattern, `B` must be annotated with `#[derive(PartialEq, Eq)]`
+error: `&[B]` must implement `PartialEq` to be used in a pattern
   --> $DIR/issue-61188-match-slice-forbidden-without-eq.rs:15:9
    |
 LL |         A => (),