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, 31 insertions, 0 deletions

diff --git a/src/test/ui/type/type-parameter-defaults-referencing-Self-ppaux.stderr b/src/test/ui/type/type-parameter-defaults-referencing-Self-ppaux.stderr
new file mode 100644
index 000000000..8a296dc7e
--- /dev/null
+++ b/src/test/ui/type/type-parameter-defaults-referencing-Self-ppaux.stderr
@@ -0,0 +1,31 @@
+error[E0620]: cast to unsized type: `i32` as `dyn MyAdd<i32>`
+  --> $DIR/type-parameter-defaults-referencing-Self-ppaux.rs:14:13
+   |
+LL |     let y = x as dyn MyAdd<i32>;
+   |             ^^^^^^^^^^^^^^^^^^^
+   |
+help: consider using a box or reference as appropriate
+  --> $DIR/type-parameter-defaults-referencing-Self-ppaux.rs:14:13
+   |
+LL |     let y = x as dyn MyAdd<i32>;
+   |             ^
+
+error[E0038]: the trait `MyAdd` cannot be made into an object
+  --> $DIR/type-parameter-defaults-referencing-Self-ppaux.rs:14:18
+   |
+LL |     let y = x as dyn MyAdd<i32>;
+   |                  ^^^^^^^^^^^^^^ `MyAdd` 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/type-parameter-defaults-referencing-Self-ppaux.rs:6:55
+   |
+LL | trait MyAdd<Rhs=Self> { fn add(&self, other: &Rhs) -> Self; }
+   |       -----                                           ^^^^ ...because method `add` references the `Self` type in its return type
+   |       |
+   |       this trait cannot be made into an object...
+   = help: consider moving `add` to another trait
+
+error: aborting due to 2 previous errors
+
+Some errors have detailed explanations: E0038, E0620.
+For more information about an error, try `rustc --explain E0038`.