From 64d98f8ee037282c35007b64c2649055c56af1db Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Wed, 17 Apr 2024 14:19:03 +0200
Subject: Merging upstream version 1.68.2+dfsg1.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 ...rojection-two-region-trait-bound-closure.stderr | 236 +++++++++++++++++++++
 1 file changed, 236 insertions(+)
 create mode 100644 tests/ui/nll/ty-outlives/projection-two-region-trait-bound-closure.stderr

(limited to 'tests/ui/nll/ty-outlives/projection-two-region-trait-bound-closure.stderr')

diff --git a/tests/ui/nll/ty-outlives/projection-two-region-trait-bound-closure.stderr b/tests/ui/nll/ty-outlives/projection-two-region-trait-bound-closure.stderr
new file mode 100644
index 000000000..90f049142
--- /dev/null
+++ b/tests/ui/nll/ty-outlives/projection-two-region-trait-bound-closure.stderr
@@ -0,0 +1,236 @@
+note: external requirements
+  --> $DIR/projection-two-region-trait-bound-closure.rs:38:29
+   |
+LL |     with_signature(cell, t, |cell, t| require(cell, t));
+   |                             ^^^^^^^^^
+   |
+   = note: defining type: no_relationships_late::<'_#1r, '_#2r, T>::{closure#0} with closure substs [
+               i32,
+               extern "rust-call" fn((std::cell::Cell<&'_#3r ()>, T)),
+               (),
+           ]
+   = note: late-bound region is '_#4r
+   = note: number of external vids: 5
+   = note: where <T as Anything<ReEarlyBound(0, 'b), ReEarlyBound(1, 'c)>>::AssocType: '_#3r
+
+note: no external requirements
+  --> $DIR/projection-two-region-trait-bound-closure.rs:34:1
+   |
+LL | / fn no_relationships_late<'a, 'b, 'c, T>(cell: Cell<&'a ()>, t: T)
+LL | | where
+LL | |     T: Anything<'b, 'c>,
+   | |________________________^
+   |
+   = note: defining type: no_relationships_late::<'_#1r, '_#2r, T>
+
+error[E0309]: the associated type `<T as Anything<ReEarlyBound(0, 'b), ReEarlyBound(1, 'c)>>::AssocType` may not live long enough
+  --> $DIR/projection-two-region-trait-bound-closure.rs:38:39
+   |
+LL |     with_signature(cell, t, |cell, t| require(cell, t));
+   |                                       ^^^^^^^^^^^^^^^^
+   |
+   = help: consider adding an explicit lifetime bound `<T as Anything<ReEarlyBound(0, 'b), ReEarlyBound(1, 'c)>>::AssocType: 'a`...
+   = note: ...so that the type `<T as Anything<ReEarlyBound(0, 'b), ReEarlyBound(1, 'c)>>::AssocType` will meet its required lifetime bounds
+
+note: external requirements
+  --> $DIR/projection-two-region-trait-bound-closure.rs:48:29
+   |
+LL |     with_signature(cell, t, |cell, t| require(cell, t));
+   |                             ^^^^^^^^^
+   |
+   = note: defining type: no_relationships_early::<'_#1r, '_#2r, '_#3r, T>::{closure#0} with closure substs [
+               i32,
+               extern "rust-call" fn((std::cell::Cell<&'_#4r ()>, T)),
+               (),
+           ]
+   = note: number of external vids: 5
+   = note: where <T as Anything<ReEarlyBound(1, 'b), ReEarlyBound(2, 'c)>>::AssocType: '_#4r
+
+note: no external requirements
+  --> $DIR/projection-two-region-trait-bound-closure.rs:43:1
+   |
+LL | / fn no_relationships_early<'a, 'b, 'c, T>(cell: Cell<&'a ()>, t: T)
+LL | | where
+LL | |     T: Anything<'b, 'c>,
+LL | |     'a: 'a,
+   | |___________^
+   |
+   = note: defining type: no_relationships_early::<'_#1r, '_#2r, '_#3r, T>
+
+error[E0309]: the associated type `<T as Anything<ReEarlyBound(1, 'b), ReEarlyBound(2, 'c)>>::AssocType` may not live long enough
+  --> $DIR/projection-two-region-trait-bound-closure.rs:48:39
+   |
+LL |     with_signature(cell, t, |cell, t| require(cell, t));
+   |                                       ^^^^^^^^^^^^^^^^
+   |
+   = help: consider adding an explicit lifetime bound `<T as Anything<ReEarlyBound(1, 'b), ReEarlyBound(2, 'c)>>::AssocType: 'a`...
+   = note: ...so that the type `<T as Anything<ReEarlyBound(1, 'b), ReEarlyBound(2, 'c)>>::AssocType` will meet its required lifetime bounds
+
+note: external requirements
+  --> $DIR/projection-two-region-trait-bound-closure.rs:61:29
+   |
+LL |     with_signature(cell, t, |cell, t| require(cell, t));
+   |                             ^^^^^^^^^
+   |
+   = note: defining type: projection_outlives::<'_#1r, '_#2r, '_#3r, T>::{closure#0} with closure substs [
+               i32,
+               extern "rust-call" fn((std::cell::Cell<&'_#4r ()>, T)),
+               (),
+           ]
+   = note: number of external vids: 5
+   = note: where <T as Anything<ReEarlyBound(1, 'b), ReEarlyBound(2, 'c)>>::AssocType: '_#4r
+
+note: no external requirements
+  --> $DIR/projection-two-region-trait-bound-closure.rs:53:1
+   |
+LL | / fn projection_outlives<'a, 'b, 'c, T>(cell: Cell<&'a ()>, t: T)
+LL | | where
+LL | |     T: Anything<'b, 'c>,
+LL | |     T::AssocType: 'a,
+   | |_____________________^
+   |
+   = note: defining type: projection_outlives::<'_#1r, '_#2r, '_#3r, T>
+
+note: external requirements
+  --> $DIR/projection-two-region-trait-bound-closure.rs:70:29
+   |
+LL |     with_signature(cell, t, |cell, t| require(cell, t));
+   |                             ^^^^^^^^^
+   |
+   = note: defining type: elements_outlive1::<'_#1r, '_#2r, '_#3r, T>::{closure#0} with closure substs [
+               i32,
+               extern "rust-call" fn((std::cell::Cell<&'_#4r ()>, T)),
+               (),
+           ]
+   = note: number of external vids: 5
+   = note: where <T as Anything<ReEarlyBound(1, 'b), ReEarlyBound(2, 'c)>>::AssocType: '_#4r
+
+note: no external requirements
+  --> $DIR/projection-two-region-trait-bound-closure.rs:65:1
+   |
+LL | / fn elements_outlive1<'a, 'b, 'c, T>(cell: Cell<&'a ()>, t: T)
+LL | | where
+LL | |     T: Anything<'b, 'c>,
+LL | |     'b: 'a,
+   | |___________^
+   |
+   = note: defining type: elements_outlive1::<'_#1r, '_#2r, '_#3r, T>
+
+note: external requirements
+  --> $DIR/projection-two-region-trait-bound-closure.rs:79:29
+   |
+LL |     with_signature(cell, t, |cell, t| require(cell, t));
+   |                             ^^^^^^^^^
+   |
+   = note: defining type: elements_outlive2::<'_#1r, '_#2r, '_#3r, T>::{closure#0} with closure substs [
+               i32,
+               extern "rust-call" fn((std::cell::Cell<&'_#4r ()>, T)),
+               (),
+           ]
+   = note: number of external vids: 5
+   = note: where <T as Anything<ReEarlyBound(1, 'b), ReEarlyBound(2, 'c)>>::AssocType: '_#4r
+
+note: no external requirements
+  --> $DIR/projection-two-region-trait-bound-closure.rs:74:1
+   |
+LL | / fn elements_outlive2<'a, 'b, 'c, T>(cell: Cell<&'a ()>, t: T)
+LL | | where
+LL | |     T: Anything<'b, 'c>,
+LL | |     'c: 'a,
+   | |___________^
+   |
+   = note: defining type: elements_outlive2::<'_#1r, '_#2r, '_#3r, T>
+
+note: external requirements
+  --> $DIR/projection-two-region-trait-bound-closure.rs:87:29
+   |
+LL |     with_signature(cell, t, |cell, t| require(cell, t));
+   |                             ^^^^^^^^^
+   |
+   = note: defining type: two_regions::<'_#1r, T>::{closure#0} with closure substs [
+               i32,
+               extern "rust-call" fn((std::cell::Cell<&'_#2r ()>, T)),
+               (),
+           ]
+   = note: late-bound region is '_#3r
+   = note: number of external vids: 4
+   = note: where <T as Anything<ReEarlyBound(0, 'b), ReEarlyBound(0, 'b)>>::AssocType: '_#2r
+
+note: no external requirements
+  --> $DIR/projection-two-region-trait-bound-closure.rs:83:1
+   |
+LL | / fn two_regions<'a, 'b, T>(cell: Cell<&'a ()>, t: T)
+LL | | where
+LL | |     T: Anything<'b, 'b>,
+   | |________________________^
+   |
+   = note: defining type: two_regions::<'_#1r, T>
+
+error: lifetime may not live long enough
+  --> $DIR/projection-two-region-trait-bound-closure.rs:87:5
+   |
+LL | fn two_regions<'a, 'b, T>(cell: Cell<&'a ()>, t: T)
+   |                --  -- lifetime `'b` defined here
+   |                |
+   |                lifetime `'a` defined here
+...
+LL |     with_signature(cell, t, |cell, t| require(cell, t));
+   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ argument requires that `'b` must outlive `'a`
+   |
+   = help: consider adding the following bound: `'b: 'a`
+   = note: requirement occurs because of the type `Cell<&'_#8r ()>`, which makes the generic argument `&'_#8r ()` invariant
+   = note: the struct `Cell<T>` is invariant over the parameter `T`
+   = help: see <https://doc.rust-lang.org/nomicon/subtyping.html> for more information about variance
+
+note: external requirements
+  --> $DIR/projection-two-region-trait-bound-closure.rs:97:29
+   |
+LL |     with_signature(cell, t, |cell, t| require(cell, t));
+   |                             ^^^^^^^^^
+   |
+   = note: defining type: two_regions_outlive::<'_#1r, '_#2r, T>::{closure#0} with closure substs [
+               i32,
+               extern "rust-call" fn((std::cell::Cell<&'_#3r ()>, T)),
+               (),
+           ]
+   = note: number of external vids: 4
+   = note: where <T as Anything<ReEarlyBound(1, 'b), ReEarlyBound(1, 'b)>>::AssocType: '_#3r
+
+note: no external requirements
+  --> $DIR/projection-two-region-trait-bound-closure.rs:92:1
+   |
+LL | / fn two_regions_outlive<'a, 'b, T>(cell: Cell<&'a ()>, t: T)
+LL | | where
+LL | |     T: Anything<'b, 'b>,
+LL | |     'b: 'a,
+   | |___________^
+   |
+   = note: defining type: two_regions_outlive::<'_#1r, '_#2r, T>
+
+note: external requirements
+  --> $DIR/projection-two-region-trait-bound-closure.rs:109:29
+   |
+LL |     with_signature(cell, t, |cell, t| require(cell, t));
+   |                             ^^^^^^^^^
+   |
+   = note: defining type: one_region::<'_#1r, T>::{closure#0} with closure substs [
+               i32,
+               extern "rust-call" fn((std::cell::Cell<&'_#2r ()>, T)),
+               (),
+           ]
+   = note: number of external vids: 3
+   = note: where <T as Anything<ReEarlyBound(0, 'a), ReEarlyBound(0, 'a)>>::AssocType: '_#2r
+
+note: no external requirements
+  --> $DIR/projection-two-region-trait-bound-closure.rs:101:1
+   |
+LL | / fn one_region<'a, T>(cell: Cell<&'a ()>, t: T)
+LL | | where
+LL | |     T: Anything<'a, 'a>,
+   | |________________________^
+   |
+   = note: defining type: one_region::<'_#1r, T>
+
+error: aborting due to 3 previous errors
+
+For more information about this error, try `rustc --explain E0309`.
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