Merging upstream version 1.68.2+dfsg1.

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

1 files changed, 33 insertions, 0 deletions

diff --git a/tests/ui/traits/issue-38604.stderr b/tests/ui/traits/issue-38604.stderr
new file mode 100644
index 000000000..50d6fb054
--- /dev/null
+++ b/tests/ui/traits/issue-38604.stderr
@@ -0,0 +1,33 @@
+error[E0038]: the trait `Foo` cannot be made into an object
+  --> $DIR/issue-38604.rs:14:13
+   |
+LL |     let _f: Box<dyn Foo> =
+   |             ^^^^^^^^^^^^ `Foo` cannot be made into an object
+   |
+note: for a trait to be "object safe" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety>
+  --> $DIR/issue-38604.rs:2:22
+   |
+LL | trait Foo where u32: Q<Self> {
+   |       ---            ^^^^^^^ ...because it uses `Self` as a type parameter
+   |       |
+   |       this trait cannot be made into an object...
+
+error[E0038]: the trait `Foo` cannot be made into an object
+  --> $DIR/issue-38604.rs:15:9
+   |
+LL |         Box::new(());
+   |         ^^^^^^^^^^^^ `Foo` cannot be made into an object
+   |
+note: for a trait to be "object safe" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety>
+  --> $DIR/issue-38604.rs:2:22
+   |
+LL | trait Foo where u32: Q<Self> {
+   |       ---            ^^^^^^^ ...because it uses `Self` as a type parameter
+   |       |
+   |       this trait cannot be made into an object...
+   = note: required for `Box<()>` to implement `CoerceUnsized<Box<dyn Foo>>`
+   = note: required by cast to type `Box<dyn Foo>`
+
+error: aborting due to 2 previous errors
+
+For more information about this error, try `rustc --explain E0038`.