1 files changed, 12 insertions, 0 deletions
diff --git a/src/test/ui/borrowck/borrowck-consume-unsize-vec.rs b/src/test/ui/borrowck/borrowck-consume-unsize-vec.rs
new file mode 100644
index 000000000..347f0212c
--- /dev/null
+++ b/src/test/ui/borrowck/borrowck-consume-unsize-vec.rs
@@ -0,0 +1,12 @@
+// Check that we report an error if an upcast box is moved twice.
+
+fn consume(_: Box<[i32]>) {
+}
+
+fn foo(b: Box<[i32;5]>) {
+    consume(b);
+    consume(b); //~ ERROR use of moved value
+}
+
+fn main() {
+}