update tests (#91997)

Author: Borgerr

tests/ui/errors/dynless-turbofish-e0191-issue-91997.rs

@@ -0,0 +1,8 @@
+trait MyIterator : Iterator {}
+
+fn main() {
+    let _ = MyIterator::next;
+}
+//~^^ ERROR the value of the associated type `Item` in `Iterator` must be specified [E0191]
+//~| WARN trait objects without an explicit `dyn` are deprecated [bare_trait_objects]
+//~| WARN this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!

tests/ui/errors/dynless-turbofish-e0191-issue-91997.stderr

@@ -0,0 +1,23 @@
+warning: trait objects without an explicit `dyn` are deprecated
+  --> $DIR/dynless-turbofish-e0191-issue-91997.rs:4:13
+   |
+LL |     let _ = MyIterator::next;
+   |             ^^^^^^^^^^
+   |
+   = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
+   = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
+   = note: `#[warn(bare_trait_objects)]` on by default
+help: if this is an object-safe trait, use `dyn`
+   |
+LL |     let _ = <dyn MyIterator>::next;
+   |             ++++           +
+
+error[E0191]: the value of the associated type `Item` in `Iterator` must be specified
+  --> $DIR/dynless-turbofish-e0191-issue-91997.rs:4:13
+   |
+LL |     let _ = MyIterator::next;
+   |             ^^^^^^^^^^ help: specify the associated type: `MyIterator::<Item = Type>`
+
+error: aborting due to 1 previous error; 1 warning emitted
+
+For more information about this error, try `rustc --explain E0191`.

tests/ui/issues/issue-23024.stderr

@@ -23,7 +23,7 @@ error[E0191]: the value of the associated type `Output` in `FnOnce` must be spec
   --> $DIR/issue-23024.rs:8:39
    |
 LL |     println!("{:?}",(vfnfer[0] as dyn Fn)(3));
-   |                                       ^^ help: specify the associated type: `Fn<Output = Type>`
+   |                                       ^^ help: specify the associated type: `Fn::<Output = Type>`
 
 error: aborting due to 3 previous errors
 

tests/ui/issues/issue-28344.stderr

@@ -16,7 +16,7 @@ error[E0191]: the value of the associated type `Output` in `BitXor` must be spec
   --> $DIR/issue-28344.rs:4:17
    |
 LL |     let x: u8 = BitXor::bitor(0 as u8, 0 as u8);
-   |                 ^^^^^^ help: specify the associated type: `BitXor<Output = Type>`
+   |                 ^^^^^^ help: specify the associated type: `BitXor::<Output = Type>`
 
 error[E0599]: no function or associated item named `bitor` found for trait object `dyn BitXor<_>` in the current scope
   --> $DIR/issue-28344.rs:4:25
@@ -44,7 +44,7 @@ error[E0191]: the value of the associated type `Output` in `BitXor` must be spec
   --> $DIR/issue-28344.rs:10:13
    |
 LL |     let g = BitXor::bitor;
-   |             ^^^^^^ help: specify the associated type: `BitXor<Output = Type>`
+   |             ^^^^^^ help: specify the associated type: `BitXor::<Output = Type>`
 
 error[E0599]: no function or associated item named `bitor` found for trait object `dyn BitXor<_>` in the current scope
   --> $DIR/issue-28344.rs:10:21