Merging upstream version 1.67.1+dfsg1.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

21 files changed, 204 insertions, 74 deletions

diff --git a/src/test/ui/generic-associated-types/bugs/hrtb-implied-1.stderr b/src/test/ui/generic-associated-types/bugs/hrtb-implied-1.stderr
index 414999881..1c9abc4e8 100644
--- a/src/test/ui/generic-associated-types/bugs/hrtb-implied-1.stderr
+++ b/src/test/ui/generic-associated-types/bugs/hrtb-implied-1.stderr
@@ -2,7 +2,7 @@ error[E0716]: temporary value dropped while borrowed
   --> $DIR/hrtb-implied-1.rs:31:22
    |
 LL |     let slice = &mut ();
-   |                      ^^ creates a temporary which is freed while still in use
+   |                      ^^ creates a temporary value which is freed while still in use
 ...
 LL |     print_items::<WindowsMut<'_>>(windows);
    |     -------------------------------------- argument requires that borrow lasts for `'static`
diff --git a/src/test/ui/generic-associated-types/bugs/issue-100013.rs b/src/test/ui/generic-associated-types/bugs/issue-100013.rs
new file mode 100644
index 000000000..fc4e47a3b
--- /dev/null
+++ b/src/test/ui/generic-associated-types/bugs/issue-100013.rs
@@ -0,0 +1,39 @@
+// check-fail
+// known-bug
+// edition: 2021
+
+// We really should accept this, but we need implied bounds between the regions
+// in a generator interior.
+
+pub trait FutureIterator {
+    type Future<'s, 'cx>: Send
+    where
+        's: 'cx;
+}
+
+fn call<I: FutureIterator>() -> impl Send {
+    async { // a generator checked for autotrait impl `Send`
+        //~^ lifetime bound not satisfied
+        let x = None::<I::Future<'_, '_>>; // a type referencing GAT
+        async {}.await; // a yield point
+    }
+}
+
+fn call2<'a, 'b, I: FutureIterator>() -> impl Send {
+    async { // a generator checked for autotrait impl `Send`
+        //~^ lifetime bound not satisfied
+        let x = None::<I::Future<'a, 'b>>; // a type referencing GAT
+        //~^ lifetime may not live long enough
+        async {}.await; // a yield point
+    }
+}
+
+fn call3<'a: 'b, 'b, I: FutureIterator>() -> impl Send {
+    async { // a generator checked for autotrait impl `Send`
+        //~^ lifetime bound not satisfied
+        let x = None::<I::Future<'a, 'b>>; // a type referencing GAT
+        async {}.await; // a yield point
+    }
+}
+
+fn main() {}
diff --git a/src/test/ui/generic-associated-types/bugs/issue-100013.stderr b/src/test/ui/generic-associated-types/bugs/issue-100013.stderr
new file mode 100644
index 000000000..72ae288dc
--- /dev/null
+++ b/src/test/ui/generic-associated-types/bugs/issue-100013.stderr
@@ -0,0 +1,82 @@
+error: lifetime bound not satisfied
+  --> $DIR/issue-100013.rs:15:5
+   |
+LL | /     async { // a generator checked for autotrait impl `Send`
+LL | |
+LL | |         let x = None::<I::Future<'_, '_>>; // a type referencing GAT
+LL | |         async {}.await; // a yield point
+LL | |     }
+   | |_____^
+   |
+note: the lifetime defined here...
+  --> $DIR/issue-100013.rs:17:38
+   |
+LL |         let x = None::<I::Future<'_, '_>>; // a type referencing GAT
+   |                                      ^^
+note: ...must outlive the lifetime defined here
+  --> $DIR/issue-100013.rs:17:34
+   |
+LL |         let x = None::<I::Future<'_, '_>>; // a type referencing GAT
+   |                                  ^^
+   = note: this is a known limitation that will be removed in the future (see issue #100013 <https://github.com/rust-lang/rust/issues/100013> for more information)
+
+error: lifetime bound not satisfied
+  --> $DIR/issue-100013.rs:23:5
+   |
+LL | /     async { // a generator checked for autotrait impl `Send`
+LL | |
+LL | |         let x = None::<I::Future<'a, 'b>>; // a type referencing GAT
+LL | |
+LL | |         async {}.await; // a yield point
+LL | |     }
+   | |_____^
+   |
+note: the lifetime defined here...
+  --> $DIR/issue-100013.rs:22:14
+   |
+LL | fn call2<'a, 'b, I: FutureIterator>() -> impl Send {
+   |              ^^
+note: ...must outlive the lifetime defined here
+  --> $DIR/issue-100013.rs:22:10
+   |
+LL | fn call2<'a, 'b, I: FutureIterator>() -> impl Send {
+   |          ^^
+   = note: this is a known limitation that will be removed in the future (see issue #100013 <https://github.com/rust-lang/rust/issues/100013> for more information)
+
+error: lifetime may not live long enough
+  --> $DIR/issue-100013.rs:25:17
+   |
+LL | fn call2<'a, 'b, I: FutureIterator>() -> impl Send {
+   |          --  -- lifetime `'b` defined here
+   |          |
+   |          lifetime `'a` defined here
+...
+LL |         let x = None::<I::Future<'a, 'b>>; // a type referencing GAT
+   |                 ^^^^^^^^^^^^^^^^^^^^^^^^^ requires that `'a` must outlive `'b`
+   |
+   = help: consider adding the following bound: `'a: 'b`
+
+error: lifetime bound not satisfied
+  --> $DIR/issue-100013.rs:32:5
+   |
+LL | /     async { // a generator checked for autotrait impl `Send`
+LL | |
+LL | |         let x = None::<I::Future<'a, 'b>>; // a type referencing GAT
+LL | |         async {}.await; // a yield point
+LL | |     }
+   | |_____^
+   |
+note: the lifetime defined here...
+  --> $DIR/issue-100013.rs:31:18
+   |
+LL | fn call3<'a: 'b, 'b, I: FutureIterator>() -> impl Send {
+   |                  ^^
+note: ...must outlive the lifetime defined here
+  --> $DIR/issue-100013.rs:31:10
+   |
+LL | fn call3<'a: 'b, 'b, I: FutureIterator>() -> impl Send {
+   |          ^^
+   = note: this is a known limitation that will be removed in the future (see issue #100013 <https://github.com/rust-lang/rust/issues/100013> for more information)
+
+error: aborting due to 4 previous errors
+
diff --git a/src/test/ui/generic-associated-types/bugs/issue-80626.rs b/src/test/ui/generic-associated-types/bugs/issue-80626.rs
index f6aa6b36e..d6e18010f 100644
--- a/src/test/ui/generic-associated-types/bugs/issue-80626.rs
+++ b/src/test/ui/generic-associated-types/bugs/issue-80626.rs
@@ -1,7 +1,4 @@
-// check-fail
-// known-bug: #80626
-
-// This should pass, but it requires `Sized` to be coinductive.
+// check-pass
 
 trait Allocator {
     type Allocated<T>;
@@ -9,7 +6,7 @@ trait Allocator {
 
 enum LinkedList<A: Allocator> {
     Head,
-    Next(A::Allocated<Self>)
+    Next(A::Allocated<Self>),
 }
 
 fn main() {}
diff --git a/src/test/ui/generic-associated-types/bugs/issue-80626.stderr b/src/test/ui/generic-associated-types/bugs/issue-80626.stderr
deleted file mode 100644
index 9a0f332ed..000000000
--- a/src/test/ui/generic-associated-types/bugs/issue-80626.stderr
+++ /dev/null
@@ -1,15 +0,0 @@
-error[E0275]: overflow evaluating the requirement `LinkedList<A>: Sized`
-  --> $DIR/issue-80626.rs:12:10
-   |
-LL |     Next(A::Allocated<Self>)
-   |          ^^^^^^^^^^^^^^^^^^
-   |
-note: required by a bound in `Allocator::Allocated`
-  --> $DIR/issue-80626.rs:7:20
-   |
-LL |     type Allocated<T>;
-   |                    ^ required by this bound in `Allocator::Allocated`
-
-error: aborting due to previous error
-
-For more information about this error, try `rustc --explain E0275`.
diff --git a/src/test/ui/generic-associated-types/elided-in-expr-position.stderr b/src/test/ui/generic-associated-types/elided-in-expr-position.stderr
index 20f35c3c1..a9996123f 100644
--- a/src/test/ui/generic-associated-types/elided-in-expr-position.stderr
+++ b/src/test/ui/generic-associated-types/elided-in-expr-position.stderr
@@ -11,7 +11,7 @@ LL |     type Assoc<'a> where Self: 'a;
    |          ^^^^^ --
 help: add missing lifetime argument
    |
-LL |     fn g(&self) -> Self::Assoc<'a>;
+LL |     fn g(&self) -> Self::Assoc<'_>;
    |                          ~~~~~~~~~
 
 error[E0107]: missing generics for associated type `Trait::Assoc`
@@ -27,7 +27,7 @@ LL |     type Assoc<'a> where Self: 'a;
    |          ^^^^^ --
 help: add missing lifetime argument
    |
-LL |     fn g(&self) -> Self::Assoc<'a> {
+LL |     fn g(&self) -> Self::Assoc<'_> {
    |                          ~~~~~~~~~
 
 error: aborting due to 2 previous errors
diff --git a/src/test/ui/generic-associated-types/gat-trait-path-parenthesised-args.stderr b/src/test/ui/generic-associated-types/gat-trait-path-parenthesised-args.stderr
index e55a21e19..165779796 100644
--- a/src/test/ui/generic-associated-types/gat-trait-path-parenthesised-args.stderr
+++ b/src/test/ui/generic-associated-types/gat-trait-path-parenthesised-args.stderr
@@ -36,7 +36,7 @@ LL |   type Y<'a>;
    |        ^ --
 help: add missing lifetime argument
    |
-LL | fn foo<'a>(arg: Box<dyn X<Y('a, 'a) = &'a ()>>) {}
+LL | fn foo<'a>(arg: Box<dyn X<Y('_, 'a) = &'a ()>>) {}
    |                             +++
 
 error[E0107]: this associated type takes 0 generic arguments but 1 generic argument was supplied
@@ -66,7 +66,7 @@ LL |   type Y<'a>;
    |        ^ --
 help: add missing lifetime argument
    |
-LL | fn bar<'a>(arg: Box<dyn X<Y('a) = ()>>) {}
+LL | fn bar<'a>(arg: Box<dyn X<Y('_) = ()>>) {}
    |                             ++
 
 error: aborting due to 6 previous errors
diff --git a/src/test/ui/generic-associated-types/issue-81862.stderr b/src/test/ui/generic-associated-types/issue-81862.stderr
index ba7980846..9e21c567c 100644
--- a/src/test/ui/generic-associated-types/issue-81862.stderr
+++ b/src/test/ui/generic-associated-types/issue-81862.stderr
@@ -11,7 +11,7 @@ LL |     type Item<'a>;
    |          ^^^^ --
 help: add missing lifetime argument
    |
-LL |     fn next(&mut self) -> Option<Self::Item<'a>>;
+LL |     fn next(&mut self) -> Option<Self::Item<'_>>;
    |                                        ~~~~~~~~
 
 error: aborting due to previous error
diff --git a/src/test/ui/generic-associated-types/issue-87750.rs b/src/test/ui/generic-associated-types/issue-87750.rs
index 0a11a0f3a..b35657989 100644
--- a/src/test/ui/generic-associated-types/issue-87750.rs
+++ b/src/test/ui/generic-associated-types/issue-87750.rs
@@ -1,3 +1,5 @@
+// check-pass
+
 trait PointerFamily {
     type Pointer<T>;
 }
@@ -10,11 +12,13 @@ impl PointerFamily for RcFamily {
 }
 
 #[allow(dead_code)]
-enum Node<T, P: PointerFamily> where P::Pointer<Node<T, P>>: Sized {
+enum Node<T, P: PointerFamily>
+where
+    P::Pointer<Node<T, P>>: Sized,
+{
     Cons(P::Pointer<Node<T, P>>),
 }
 
 fn main() {
     let _list: <RcFamily as PointerFamily>::Pointer<Node<i32, RcFamily>>;
-    //~^ ERROR overflow evaluating the requirement `Node<i32, RcFamily>: Sized`
 }
diff --git a/src/test/ui/generic-associated-types/issue-87750.stderr b/src/test/ui/generic-associated-types/issue-87750.stderr
deleted file mode 100644
index b358ca273..000000000
--- a/src/test/ui/generic-associated-types/issue-87750.stderr
+++ /dev/null
@@ -1,9 +0,0 @@
-error[E0275]: overflow evaluating the requirement `Node<i32, RcFamily>: Sized`
-  --> $DIR/issue-87750.rs:18:16
-   |
-LL |     let _list: <RcFamily as PointerFamily>::Pointer<Node<i32, RcFamily>>;
-   |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-
-error: aborting due to previous error
-
-For more information about this error, try `rustc --explain E0275`.
diff --git a/src/test/ui/generic-associated-types/issue-91139.rs b/src/test/ui/generic-associated-types/issue-91139.rs
index 5fc6071c9..e321da53d 100644
--- a/src/test/ui/generic-associated-types/issue-91139.rs
+++ b/src/test/ui/generic-associated-types/issue-91139.rs
@@ -21,6 +21,7 @@ fn foo<T>() {
     //~| ERROR `T` does not live long enough
     //~| ERROR `T` does not live long enough
     //~| ERROR `T` may not live long enough
+    //~| ERROR `T` may not live long enough
     //
     // FIXME: This error is bogus, but it arises because we try to validate
     // that `<() as Foo<T>>::Type<'a>` is valid, which requires proving
diff --git a/src/test/ui/generic-associated-types/issue-91139.stderr b/src/test/ui/generic-associated-types/issue-91139.stderr
index 8bbe98fa1..5485570ce 100644
--- a/src/test/ui/generic-associated-types/issue-91139.stderr
+++ b/src/test/ui/generic-associated-types/issue-91139.stderr
@@ -22,6 +22,17 @@ error: `T` does not live long enough
 LL |     let _: for<'a> fn(<() as Foo<T>>::Type<'a>, &'a T) = |_, _| ();
    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
+error[E0310]: the parameter type `T` may not live long enough
+  --> $DIR/issue-91139.rs:14:58
+   |
+LL |     let _: for<'a> fn(<() as Foo<T>>::Type<'a>, &'a T) = |_, _| ();
+   |                                                          ^^^^^^ ...so that the type `T` will meet its required lifetime bounds
+   |
+help: consider adding an explicit lifetime bound...
+   |
+LL | fn foo<T: 'static>() {
+   |         +++++++++
+
 error: `T` does not live long enough
   --> $DIR/issue-91139.rs:14:58
    |
@@ -57,6 +68,6 @@ error: `T` does not live long enough
 LL |     let _: for<'a> fn(<() as Foo<T>>::Type<'a>, &'a T) = |_, _| ();
    |                                                          ^^^^^^^^^
 
-error: aborting due to 9 previous errors
+error: aborting due to 10 previous errors
 
 For more information about this error, try `rustc --explain E0310`.
diff --git a/src/test/ui/generic-associated-types/missing_lifetime_args.stderr b/src/test/ui/generic-associated-types/missing_lifetime_args.stderr
index 0ad1f1f8c..752587c25 100644
--- a/src/test/ui/generic-associated-types/missing_lifetime_args.stderr
+++ b/src/test/ui/generic-associated-types/missing_lifetime_args.stderr
@@ -11,7 +11,7 @@ LL |     type Y<'a, 'b>;
    |          ^ --  --
 help: add missing lifetime arguments
    |
-LL | fn foo<'c, 'd>(_arg: Box<dyn X<Y<'c, 'd> = (&'c u32, &'d u32)>>) {}
+LL | fn foo<'c, 'd>(_arg: Box<dyn X<Y<'_, '_> = (&'c u32, &'d u32)>>) {}
    |                                ~~~~~~~~~
 
 error[E0107]: this struct takes 3 lifetime arguments but 2 lifetime arguments were supplied
@@ -47,7 +47,7 @@ LL | struct Foo<'a, 'b, 'c> {
    |        ^^^ --  --  --
 help: add missing lifetime arguments
    |
-LL | fn f<'a>(_arg: Foo<'a, 'b, 'c>) {}
+LL | fn f<'a>(_arg: Foo<'a, 'a, 'a>) {}
    |                      ++++++++
 
 error: aborting due to 3 previous errors
diff --git a/src/test/ui/generic-associated-types/own-bound-span.rs b/src/test/ui/generic-associated-types/own-bound-span.rs
new file mode 100644
index 000000000..3699f7296
--- /dev/null
+++ b/src/test/ui/generic-associated-types/own-bound-span.rs
@@ -0,0 +1,17 @@
+struct S;
+
+trait D {
+    type P<T: Copy>;
+    //~^ NOTE required by this bound in `D::P`
+    //~| NOTE required by a bound in `D::P`
+}
+
+impl D for S {
+    type P<T: Copy> = ();
+}
+
+fn main() {
+    let _: <S as D>::P<String>;
+    //~^ ERROR the trait bound `String: Copy` is not satisfied
+    //~| NOTE the trait `Copy` is not implemented for `String`
+}
diff --git a/src/test/ui/generic-associated-types/own-bound-span.stderr b/src/test/ui/generic-associated-types/own-bound-span.stderr
new file mode 100644
index 000000000..8ab8ea623
--- /dev/null
+++ b/src/test/ui/generic-associated-types/own-bound-span.stderr
@@ -0,0 +1,15 @@
+error[E0277]: the trait bound `String: Copy` is not satisfied
+  --> $DIR/own-bound-span.rs:14:12
+   |
+LL |     let _: <S as D>::P<String>;
+   |            ^^^^^^^^^^^^^^^^^^^ the trait `Copy` is not implemented for `String`
+   |
+note: required by a bound in `D::P`
+  --> $DIR/own-bound-span.rs:4:15
+   |
+LL |     type P<T: Copy>;
+   |               ^^^^ required by this bound in `D::P`
+
+error: aborting due to previous error
+
+For more information about this error, try `rustc --explain E0277`.
diff --git a/src/test/ui/generic-associated-types/parse/trait-path-type-error-once-implemented.stderr b/src/test/ui/generic-associated-types/parse/trait-path-type-error-once-implemented.stderr
index e00a414ef..0a09ec5dc 100644
--- a/src/test/ui/generic-associated-types/parse/trait-path-type-error-once-implemented.stderr
+++ b/src/test/ui/generic-associated-types/parse/trait-path-type-error-once-implemented.stderr
@@ -11,7 +11,7 @@ LL |     type Y<'a>;
    |          ^ --
 help: add missing lifetime argument
    |
-LL |   fn f2<'a>(arg : Box<dyn X<Y<'a, 1> = &'a ()>>) {}
+LL |   fn f2<'a>(arg : Box<dyn X<Y<'_, 1> = &'a ()>>) {}
    |                               +++
 
 error[E0107]: this associated type takes 0 generic arguments but 1 generic argument was supplied
diff --git a/src/test/ui/generic-associated-types/projection-bound-cycle-generic.rs b/src/test/ui/generic-associated-types/projection-bound-cycle-generic.rs
index 58d57df63..ecf6f69c9 100644
--- a/src/test/ui/generic-associated-types/projection-bound-cycle-generic.rs
+++ b/src/test/ui/generic-associated-types/projection-bound-cycle-generic.rs
@@ -21,6 +21,7 @@ impl<T> Foo for Number<T> {
     // ```
     // which it is :)
     type Item = [T] where [T]: Sized;
+    //~^ ERROR overflow evaluating the requirement `<Number<T> as Foo>::Item == _`
 }
 
 struct OnlySized<T> where T: Sized { f: T }
@@ -40,7 +41,6 @@ impl<T> Bar for T where T: Foo {
     // can use the bound on `Foo::Item` for this, but that requires
     // `wf(<T as Foo>::Item)`, which is an invalid cycle.
     type Assoc = OnlySized<<T as Foo>::Item>;
-    //~^ ERROR overflow evaluating the requirement `<T as Foo>::Item: Sized`
 }
 
 fn foo<T: Print>() {
diff --git a/src/test/ui/generic-associated-types/projection-bound-cycle-generic.stderr b/src/test/ui/generic-associated-types/projection-bound-cycle-generic.stderr
index 27c1a8299..aae9a56bb 100644
--- a/src/test/ui/generic-associated-types/projection-bound-cycle-generic.stderr
+++ b/src/test/ui/generic-associated-types/projection-bound-cycle-generic.stderr
@@ -1,14 +1,8 @@
-error[E0275]: overflow evaluating the requirement `<T as Foo>::Item: Sized`
-  --> $DIR/projection-bound-cycle-generic.rs:42:18
+error[E0275]: overflow evaluating the requirement `<Number<T> as Foo>::Item == _`
+  --> $DIR/projection-bound-cycle-generic.rs:23:5
    |
-LL |     type Assoc = OnlySized<<T as Foo>::Item>;
-   |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^
-   |
-note: required by a bound in `OnlySized`
-  --> $DIR/projection-bound-cycle-generic.rs:26:18
-   |
-LL | struct OnlySized<T> where T: Sized { f: T }
-   |                  ^ required by this bound in `OnlySized`
+LL |     type Item = [T] where [T]: Sized;
+   |     ^^^^^^^^^
 
 error: aborting due to previous error
 
diff --git a/src/test/ui/generic-associated-types/projection-bound-cycle.rs b/src/test/ui/generic-associated-types/projection-bound-cycle.rs
index 4cad1f613..b51ae7ef2 100644
--- a/src/test/ui/generic-associated-types/projection-bound-cycle.rs
+++ b/src/test/ui/generic-associated-types/projection-bound-cycle.rs
@@ -24,6 +24,7 @@ impl Foo for Number {
     // ```
     // which it is :)
     type Item = str where str: Sized;
+    //~^ ERROR overflow evaluating the requirement `<Number as Foo>::Item == _`
 }
 
 struct OnlySized<T> where T: Sized { f: T }
@@ -43,7 +44,6 @@ impl<T> Bar for T where T: Foo {
     // can use the bound on `Foo::Item` for this, but that requires
     // `wf(<T as Foo>::Item)`, which is an invalid cycle.
     type Assoc = OnlySized<<T as Foo>::Item>;
-    //~^ ERROR overflow evaluating the requirement `<T as Foo>::Item: Sized`
 }
 
 fn foo<T: Print>() {
diff --git a/src/test/ui/generic-associated-types/projection-bound-cycle.stderr b/src/test/ui/generic-associated-types/projection-bound-cycle.stderr
index a46518c80..b1b8afeec 100644
--- a/src/test/ui/generic-associated-types/projection-bound-cycle.stderr
+++ b/src/test/ui/generic-associated-types/projection-bound-cycle.stderr
@@ -1,14 +1,8 @@
-error[E0275]: overflow evaluating the requirement `<T as Foo>::Item: Sized`
-  --> $DIR/projection-bound-cycle.rs:45:18
+error[E0275]: overflow evaluating the requirement `<Number as Foo>::Item == _`
+  --> $DIR/projection-bound-cycle.rs:26:5
    |
-LL |     type Assoc = OnlySized<<T as Foo>::Item>;
-   |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^
-   |
-note: required by a bound in `OnlySized`
-  --> $DIR/projection-bound-cycle.rs:29:18
-   |
-LL | struct OnlySized<T> where T: Sized { f: T }
-   |                  ^ required by this bound in `OnlySized`
+LL |     type Item = str where str: Sized;
+   |     ^^^^^^^^^
 
 error: aborting due to previous error
 
diff --git a/src/test/ui/generic-associated-types/self-outlives-lint.stderr b/src/test/ui/generic-associated-types/self-outlives-lint.stderr
index 58172bf06..9e9b2e18a 100644
--- a/src/test/ui/generic-associated-types/self-outlives-lint.stderr
+++ b/src/test/ui/generic-associated-types/self-outlives-lint.stderr
@@ -108,17 +108,6 @@ LL |     type Bar<'b>;
    = note: this bound is currently required to ensure that impls have maximum flexibility
    = note: we are soliciting feedback, see issue #87479 <https://github.com/rust-lang/rust/issues/87479> for more information
 
-error: missing required bound on `Item`
-  --> $DIR/self-outlives-lint.rs:140:5
-   |
-LL |     type Item<'a>;
-   |     ^^^^^^^^^^^^^-
-   |                  |
-   |                  help: add the required where clause: `where Self: 'a`
-   |
-   = note: this bound is currently required to ensure that impls have maximum flexibility
-   = note: we are soliciting feedback, see issue #87479 <https://github.com/rust-lang/rust/issues/87479> for more information
-
 error: missing required bound on `Iterator`
   --> $DIR/self-outlives-lint.rs:142:5
    |
@@ -131,6 +120,17 @@ LL |     type Iterator<'a>: Iterator<Item = Self::Item<'a>>;
    = note: we are soliciting feedback, see issue #87479 <https://github.com/rust-lang/rust/issues/87479> for more information
 
 error: missing required bound on `Item`
+  --> $DIR/self-outlives-lint.rs:140:5
+   |
+LL |     type Item<'a>;
+   |     ^^^^^^^^^^^^^-
+   |                  |
+   |                  help: add the required where clause: `where Self: 'a`
+   |
+   = note: this bound is currently required to ensure that impls have maximum flexibility
+   = note: we are soliciting feedback, see issue #87479 <https://github.com/rust-lang/rust/issues/87479> for more information
+
+error: missing required bound on `Item`
   --> $DIR/self-outlives-lint.rs:148:5
    |
 LL |     type Item<'a>;