1 files changed, 18 insertions, 0 deletions
diff --git a/src/test/ui/traits/vtable/vtable-non-object-safe.rs b/src/test/ui/traits/vtable/vtable-non-object-safe.rs
new file mode 100644
index 000000000..7661bb574
--- /dev/null
+++ b/src/test/ui/traits/vtable/vtable-non-object-safe.rs
@@ -0,0 +1,18 @@
+// build-fail
+#![feature(rustc_attrs)]
+
+// Ensure that non-object-safe methods in Iterator does not generate
+// vtable entries.
+
+#[rustc_dump_vtable]
+trait A: Iterator {}
+//~^ error vtable
+
+impl<T> A for T where T: Iterator {}
+
+fn foo(_a: &mut dyn A<Item=u8>) {
+}
+
+fn main() {
+    foo(&mut vec![0, 1, 2, 3].into_iter());
+}