From 218caa410aa38c29984be31a5229b9fa717560ee Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Wed, 17 Apr 2024 14:19:13 +0200
Subject: Merging upstream version 1.68.2+dfsg1.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 tests/ui/nll/type-check-pointer-comparisons.stderr | 98 ++++++++++++++++++++++
 1 file changed, 98 insertions(+)
 create mode 100644 tests/ui/nll/type-check-pointer-comparisons.stderr

(limited to 'tests/ui/nll/type-check-pointer-comparisons.stderr')

diff --git a/tests/ui/nll/type-check-pointer-comparisons.stderr b/tests/ui/nll/type-check-pointer-comparisons.stderr
new file mode 100644
index 000000000..0d8480a42
--- /dev/null
+++ b/tests/ui/nll/type-check-pointer-comparisons.stderr
@@ -0,0 +1,98 @@
+error: lifetime may not live long enough
+  --> $DIR/type-check-pointer-comparisons.rs:4:5
+   |
+LL | fn compare_const<'a, 'b>(x: *const &mut &'a i32, y: *const &mut &'b i32) {
+   |                  --  -- lifetime `'b` defined here
+   |                  |
+   |                  lifetime `'a` defined here
+LL |     x == y;
+   |     ^ requires that `'a` must outlive `'b`
+   |
+   = help: consider adding the following bound: `'a: 'b`
+   = note: requirement occurs because of a mutable reference to `&i32`
+   = note: mutable references are invariant over their type parameter
+   = help: see <https://doc.rust-lang.org/nomicon/subtyping.html> for more information about variance
+
+error: lifetime may not live long enough
+  --> $DIR/type-check-pointer-comparisons.rs:4:10
+   |
+LL | fn compare_const<'a, 'b>(x: *const &mut &'a i32, y: *const &mut &'b i32) {
+   |                  --  -- lifetime `'b` defined here
+   |                  |
+   |                  lifetime `'a` defined here
+LL |     x == y;
+   |          ^ requires that `'b` must outlive `'a`
+   |
+   = help: consider adding the following bound: `'b: 'a`
+   = note: requirement occurs because of a mutable reference to `&i32`
+   = note: mutable references are invariant over their type parameter
+   = help: see <https://doc.rust-lang.org/nomicon/subtyping.html> for more information about variance
+
+help: `'a` and `'b` must be the same: replace one with the other
+
+error: lifetime may not live long enough
+  --> $DIR/type-check-pointer-comparisons.rs:10:5
+   |
+LL | fn compare_mut<'a, 'b>(x: *mut &'a i32, y: *mut &'b i32) {
+   |                --  -- lifetime `'b` defined here
+   |                |
+   |                lifetime `'a` defined here
+LL |     x == y;
+   |     ^ requires that `'a` must outlive `'b`
+   |
+   = help: consider adding the following bound: `'a: 'b`
+   = note: requirement occurs because of a mutable pointer to `&i32`
+   = note: mutable pointers are invariant over their type parameter
+   = help: see <https://doc.rust-lang.org/nomicon/subtyping.html> for more information about variance
+
+error: lifetime may not live long enough
+  --> $DIR/type-check-pointer-comparisons.rs:10:10
+   |
+LL | fn compare_mut<'a, 'b>(x: *mut &'a i32, y: *mut &'b i32) {
+   |                --  -- lifetime `'b` defined here
+   |                |
+   |                lifetime `'a` defined here
+LL |     x == y;
+   |          ^ requires that `'b` must outlive `'a`
+   |
+   = help: consider adding the following bound: `'b: 'a`
+   = note: requirement occurs because of a mutable pointer to `&i32`
+   = note: mutable pointers are invariant over their type parameter
+   = help: see <https://doc.rust-lang.org/nomicon/subtyping.html> for more information about variance
+
+help: `'a` and `'b` must be the same: replace one with the other
+
+error: lifetime may not live long enough
+  --> $DIR/type-check-pointer-comparisons.rs:16:5
+   |
+LL | fn compare_fn_ptr<'a, 'b, 'c>(f: fn(&'c mut &'a i32), g: fn(&'c mut &'b i32)) {
+   |                   --  -- lifetime `'b` defined here
+   |                   |
+   |                   lifetime `'a` defined here
+LL |     f == g;
+   |     ^ requires that `'a` must outlive `'b`
+   |
+   = help: consider adding the following bound: `'a: 'b`
+   = note: requirement occurs because of a mutable reference to `&i32`
+   = note: mutable references are invariant over their type parameter
+   = help: see <https://doc.rust-lang.org/nomicon/subtyping.html> for more information about variance
+
+error: lifetime may not live long enough
+  --> $DIR/type-check-pointer-comparisons.rs:16:10
+   |
+LL | fn compare_fn_ptr<'a, 'b, 'c>(f: fn(&'c mut &'a i32), g: fn(&'c mut &'b i32)) {
+   |                   --  -- lifetime `'b` defined here
+   |                   |
+   |                   lifetime `'a` defined here
+LL |     f == g;
+   |          ^ requires that `'b` must outlive `'a`
+   |
+   = help: consider adding the following bound: `'b: 'a`
+   = note: requirement occurs because of a mutable reference to `&i32`
+   = note: mutable references are invariant over their type parameter
+   = help: see <https://doc.rust-lang.org/nomicon/subtyping.html> for more information about variance
+
+help: `'a` and `'b` must be the same: replace one with the other
+
+error: aborting due to 6 previous errors
+
-- 
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