1 files changed, 19 insertions, 0 deletions
diff --git a/tests/ui/borrowck/borrowck-move-mut-base-ptr.rs b/tests/ui/borrowck/borrowck-move-mut-base-ptr.rs
new file mode 100644
index 00000000000..fa2d5531b13
--- /dev/null
+++ b/tests/ui/borrowck/borrowck-move-mut-base-ptr.rs
@@ -0,0 +1,19 @@
+// Test that attempt to move `&mut` pointer while pointee is borrowed
+// yields an error.
+//
+// Example from compiler/rustc_borrowck/borrowck/README.md
+
+
+
+fn foo(t0: &mut isize) {
+    let p: &isize = &*t0; // Freezes `*t0`
+    let t1 = t0;        //~ ERROR cannot move out of `t0`
+    *t1 = 22;
+    p.use_ref();
+}
+
+fn main() {
+}
+
+trait Fake { fn use_mut(&mut self) { } fn use_ref(&self) { }  }
+impl<T> Fake for T { }