1 files changed, 16 insertions, 0 deletions
diff --git a/tests/ui/borrowck/alias-liveness/higher-ranked.rs b/tests/ui/borrowck/alias-liveness/higher-ranked.rs
new file mode 100644
index 000000000..afd0d3b31
--- /dev/null
+++ b/tests/ui/borrowck/alias-liveness/higher-ranked.rs
@@ -0,0 +1,16 @@
+// check-pass
+
+trait Captures<'a> {}
+impl<T> Captures<'_> for T {}
+
+trait Outlives<'a>: 'a {}
+impl<'a, T: 'a> Outlives<'a> for T {}
+
+// Test that we treat `for<'a> Opaque: 'a` as `Opaque: 'static`
+fn test<'o>(v: &'o Vec<i32>) -> impl Captures<'o> + for<'a> Outlives<'a> {}
+
+fn opaque_doesnt_use_temporary() {
+    let a = test(&vec![]);
+}
+
+fn main() {}