1 files changed, 17 insertions, 0 deletions
diff --git a/tests/ui/traits/dyn-trait.rs b/tests/ui/traits/dyn-trait.rs
new file mode 100644
index 000000000..e1c1a8de5
--- /dev/null
+++ b/tests/ui/traits/dyn-trait.rs
@@ -0,0 +1,17 @@
+// run-pass
+// ignore-pretty `dyn ::foo` parses differently in the current edition
+
+use std::fmt::Display;
+
+static BYTE: u8 = 33;
+
+fn main() {
+    let x: &(dyn 'static + Display) = &BYTE;
+    let y: Box<dyn Display + 'static> = Box::new(BYTE);
+    let _: &dyn (Display) = &BYTE;
+    let _: &dyn (::std::fmt::Display) = &BYTE;
+    let xstr = format!("{}", x);
+    let ystr = format!("{}", y);
+    assert_eq!(xstr, "33");
+    assert_eq!(ystr, "33");
+}