1 files changed, 13 insertions, 0 deletions
diff --git a/src/test/ui/hygiene/fields-numeric-borrowck.rs b/src/test/ui/hygiene/fields-numeric-borrowck.rs
new file mode 100644
index 000000000..9536babc2
--- /dev/null
+++ b/src/test/ui/hygiene/fields-numeric-borrowck.rs
@@ -0,0 +1,13 @@
+struct S(u8);
+
+fn main() {
+    let mut s = S(0);
+    let borrow1 = &mut s.0;
+    let S { 0: ref mut borrow2 } = s;
+    //~^ ERROR cannot borrow `s.0` as mutable more than once at a time
+    borrow2.use_mut();
+    borrow1.use_mut();
+}
+
+trait Fake { fn use_mut(&mut self) { } fn use_ref(&self) { }  }
+impl<T> Fake for T { }