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/traits/issue-71036.rs b/src/test/ui/traits/issue-71036.rs
new file mode 100644
index 000000000..3d2df6fe9
--- /dev/null
+++ b/src/test/ui/traits/issue-71036.rs
@@ -0,0 +1,17 @@
+#![feature(unsize, dispatch_from_dyn)]
+
+use std::marker::Unsize;
+use std::ops::DispatchFromDyn;
+
+#[allow(unused)]
+struct Foo<'a, T: ?Sized> {
+    _inner: &'a &'a T,
+}
+
+impl<'a, T: ?Sized + Unsize<U>, U: ?Sized> DispatchFromDyn<Foo<'a, U>> for Foo<'a, T> {}
+//~^ ERROR the trait bound `&'a T: Unsize<&'a U>` is not satisfied
+//~| NOTE the trait `Unsize<&'a U>` is not implemented for `&'a T`
+//~| NOTE all implementations of `Unsize` are provided automatically by the compiler
+//~| NOTE required because of the requirements on the impl
+
+fn main() {}