--bless tests

Author: WaffleLapkin

src/test/ui/error-codes/E0516.stderr

@@ -3,6 +3,11 @@ error[E0516]: `typeof` is a reserved keyword but unimplemented
    |
 LL |     let x: typeof(92) = 92;
    |            ^^^^^^^^^^ reserved keyword
+   |
+help: consider replacing `typeof(...)` with an actual type
+   |
+LL |     let x: i32 = 92;
+   |            ~~~
 
 error: aborting due to previous error
 

src/test/ui/issues/issue-29184.stderr

@@ -3,6 +3,11 @@ error[E0516]: `typeof` is a reserved keyword but unimplemented
    |
 LL |     let x: typeof(92) = 92;
    |            ^^^^^^^^^^ reserved keyword
+   |
+help: consider replacing `typeof(...)` with an actual type
+   |
+LL |     let x: i32 = 92;
+   |            ~~~
 
 error: aborting due to previous error
 

src/test/ui/typeof/type_mismatch.stderr

@@ -3,6 +3,11 @@ error[E0516]: `typeof` is a reserved keyword but unimplemented
    |
 LL |     let b: typeof(a) = 1i8;
    |            ^^^^^^^^^ reserved keyword
+   |
+help: consider replacing `typeof(...)` with an actual type
+   |
+LL |     let b: u8 = 1i8;
+   |            ~~
 
 error[E0308]: mismatched types
   --> $DIR/type_mismatch.rs:5:24