1 files changed, 27 insertions, 0 deletions
diff --git a/src/test/ui/impl-trait/dyn-trait-elided-two-inputs-ref-assoc.rs b/src/test/ui/impl-trait/dyn-trait-elided-two-inputs-ref-assoc.rs
new file mode 100644
index 000000000..aad9d89fe
--- /dev/null
+++ b/src/test/ui/impl-trait/dyn-trait-elided-two-inputs-ref-assoc.rs
@@ -0,0 +1,27 @@
+// Test that we don't get an error with `dyn Bar` in an impl Trait
+// when there are multiple inputs.  The `dyn Bar` should default to `+
+// 'static`. This used to erroneously generate an error (cc #62517).
+//
+// check-pass
+
+trait Foo {
+    type Item: ?Sized;
+
+    fn item(&self) -> Box<Self::Item> { panic!() }
+}
+
+trait Bar { }
+
+impl<T> Foo for T {
+    type Item = dyn Bar;
+}
+
+fn is_static<T>(_: T) where T: 'static { }
+
+fn bar(x: &str) -> &impl Foo<Item = dyn Bar> { &() }
+
+fn main() {
+    let s = format!("foo");
+    let r = bar(&s);
+    is_static(r.item());
+}