Adding upstream version 1.64.0+dfsg1.upstream/1.64.0+dfsg1

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

1 files changed, 17 insertions, 0 deletions

diff --git a/src/test/ui/object-safety/object-safety-bounds.stderr b/src/test/ui/object-safety/object-safety-bounds.stderr
new file mode 100644
index 000000000..89c4f8ced
--- /dev/null
+++ b/src/test/ui/object-safety/object-safety-bounds.stderr
@@ -0,0 +1,17 @@
+error[E0038]: the trait `X` cannot be made into an object
+  --> $DIR/object-safety-bounds.rs:7:11
+   |
+LL | fn f() -> Box<dyn X<U = u32>> {
+   |           ^^^^^^^^^^^^^^^^^^^ `X` 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/object-safety-bounds.rs:4:13
+   |
+LL | trait X {
+   |       - this trait cannot be made into an object...
+LL |     type U: PartialEq<Self>;
+   |             ^^^^^^^^^^^^^^^ ...because it uses `Self` as a type parameter
+
+error: aborting due to previous error
+
+For more information about this error, try `rustc --explain E0038`.