1 files changed, 94 insertions, 0 deletions
diff --git a/src/test/ui/borrowck/borrowck-vec-pattern-nesting.rs b/src/test/ui/borrowck/borrowck-vec-pattern-nesting.rs
new file mode 100644
index 000000000..8a9296c59
--- /dev/null
+++ b/src/test/ui/borrowck/borrowck-vec-pattern-nesting.rs
@@ -0,0 +1,94 @@
+#![feature(box_patterns)]
+
+
+fn a() {
+    let mut vec = [Box::new(1), Box::new(2), Box::new(3)];
+    match vec {
+        [box ref _a, _, _] => {
+        //~^ NOTE borrow of `vec[_]` occurs here
+            vec[0] = Box::new(4); //~ ERROR cannot assign
+            //~^ NOTE assignment to borrowed `vec[_]` occurs here
+            _a.use_ref();
+            //~^ NOTE borrow later used here
+        }
+    }
+}
+
+fn b() {
+    let mut vec = vec![Box::new(1), Box::new(2), Box::new(3)];
+    let vec: &mut [Box<isize>] = &mut vec;
+    match vec {
+        &mut [ref _b @ ..] => {
+        //~^ borrow of `vec[_]` occurs here
+            vec[0] = Box::new(4); //~ ERROR cannot assign
+            //~^ NOTE assignment to borrowed `vec[_]` occurs here
+            _b.use_ref();
+            //~^ NOTE borrow later used here
+        }
+    }
+}
+
+fn c() {
+    let mut vec = vec![Box::new(1), Box::new(2), Box::new(3)];
+    let vec: &mut [Box<isize>] = &mut vec;
+    match vec {
+        //~^ ERROR cannot move out
+        //~| NOTE cannot move out
+        &mut [_a,
+        //~^ NOTE data moved here
+        //~| NOTE move occurs because `_a` has type
+        //~| HELP consider removing the `&mut`
+            ..
+        ] => {
+        }
+        _ => {}
+    }
+    let a = vec[0]; //~ ERROR cannot move out
+    //~| NOTE cannot move out of here
+    //~| NOTE move occurs because
+    //~| HELP consider borrowing here
+}
+
+fn d() {
+    let mut vec = vec![Box::new(1), Box::new(2), Box::new(3)];
+    let vec: &mut [Box<isize>] = &mut vec;
+    match vec {
+        //~^ ERROR cannot move out
+        //~| NOTE cannot move out
+        &mut [
+        //~^ HELP consider removing the `&mut`
+         _b] => {}
+        //~^ NOTE data moved here
+        //~| NOTE move occurs because `_b` has type
+        _ => {}
+    }
+    let a = vec[0]; //~ ERROR cannot move out
+    //~| NOTE cannot move out of here
+    //~| NOTE move occurs because
+    //~| HELP consider borrowing here
+}
+
+fn e() {
+    let mut vec = vec![Box::new(1), Box::new(2), Box::new(3)];
+    let vec: &mut [Box<isize>] = &mut vec;
+    match vec {
+        //~^ ERROR cannot move out
+        //~| NOTE cannot move out
+        //~| NOTE move occurs because these variables have types
+        &mut [_a, _b, _c] => {}
+        //~^ NOTE data moved here
+        //~| NOTE and here
+        //~| NOTE and here
+        //~| HELP consider removing the `&mut`
+        _ => {}
+    }
+    let a = vec[0]; //~ ERROR cannot move out
+    //~| NOTE cannot move out of here
+    //~| NOTE move occurs because
+    //~| HELP consider borrowing here
+}
+
+fn main() {}
+
+trait Fake { fn use_mut(&mut self) { } fn use_ref(&self) { }  }
+impl<T> Fake for T { }