1 files changed, 33 insertions, 0 deletions
diff --git a/src/test/ui/span/vec_refs_data_with_early_death.rs b/src/test/ui/span/vec_refs_data_with_early_death.rs
new file mode 100644
index 000000000..c23c52115
--- /dev/null
+++ b/src/test/ui/span/vec_refs_data_with_early_death.rs
@@ -0,0 +1,33 @@
+// This test is a simple example of code that violates the dropck
+// rules: it pushes `&x` and `&y` into a bag (with dtor), but the
+// referenced data will be dropped before the bag is.
+
+
+
+
+
+
+
+fn main() {
+    let mut v = Bag::new();
+
+    let x: i8 = 3;
+    let y: i8 = 4;
+
+    v.push(&x);
+    //~^ ERROR `x` does not live long enough
+    v.push(&y);
+    //~^ ERROR `y` does not live long enough
+
+    assert_eq!(v.0, [&3, &4]);
+}
+
+//`Vec<T>` is #[may_dangle] w.r.t. `T`; putting a bag over its head
+// forces borrowck to treat dropping the bag as a potential use.
+struct Bag<T>(Vec<T>);
+impl<T> Drop for Bag<T> { fn drop(&mut self) { } }
+
+impl<T> Bag<T> {
+    fn new() -> Self { Bag(Vec::new()) }
+    fn push(&mut self, t: T) { self.0.push(t); }
+}