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, 26 insertions, 0 deletions

diff --git a/src/test/ui/impl-trait/issues/issue-67830.rs b/src/test/ui/impl-trait/issues/issue-67830.rs
new file mode 100644
index 000000000..92f7e005d
--- /dev/null
+++ b/src/test/ui/impl-trait/issues/issue-67830.rs
@@ -0,0 +1,26 @@
+trait MyFn<Arg> {
+    type Output;
+    fn call(&self, arg: Arg) -> Self::Output;
+}
+
+struct Wrap<F>(F);
+
+impl<A, B, F> MyFn<A> for Wrap<F>
+where
+    F: Fn(A) -> B
+{
+    type Output = B;
+
+    fn call(&self, arg: A) -> Self::Output {
+        (self.0)(arg)
+    }
+}
+
+
+struct A;
+fn test() -> impl for<'a> MyFn<&'a A, Output=impl Iterator + 'a> {
+    //~^ ERROR higher kinded lifetime bounds on nested opaque types are not supported yet
+    Wrap(|a| Some(a).into_iter())
+}
+
+fn main() {}