Merging upstream version 1.68.2+dfsg1.

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

1 files changed, 23 insertions, 0 deletions

diff --git a/tests/ui/generic-associated-types/issue-68656-unsized-values.stderr b/tests/ui/generic-associated-types/issue-68656-unsized-values.stderr
new file mode 100644
index 000000000..e8770aedf
--- /dev/null
+++ b/tests/ui/generic-associated-types/issue-68656-unsized-values.stderr
@@ -0,0 +1,23 @@
+error[E0271]: type mismatch resolving `<T as Deref>::Target == T`
+  --> $DIR/issue-68656-unsized-values.rs:13:21
+   |
+LL | impl<T: Copy + std::ops::Deref> UnsafeCopy<T> for T {
+   |      - this type parameter
+LL |     type Item<'a> = T;
+   |                     ^ expected type parameter `T`, found associated type
+   |
+   = note: expected type parameter `T`
+             found associated type `<T as Deref>::Target`
+note: required by a bound in `UnsafeCopy::Item`
+  --> $DIR/issue-68656-unsized-values.rs:4:36
+   |
+LL |     type Item<'a>: std::ops::Deref<Target = T>;
+   |                                    ^^^^^^^^^^ required by this bound in `UnsafeCopy::Item`
+help: consider further restricting this bound
+   |
+LL | impl<T: Copy + std::ops::Deref + Deref<Target = T>> UnsafeCopy<T> for T {
+   |                                +++++++++++++++++++
+
+error: aborting due to previous error
+
+For more information about this error, try `rustc --explain E0271`.