1 files changed, 21 insertions, 0 deletions
diff --git a/src/test/ui/nll/dont-print-desugared.rs b/src/test/ui/nll/dont-print-desugared.rs
new file mode 100644
index 000000000..829d78ed4
--- /dev/null
+++ b/src/test/ui/nll/dont-print-desugared.rs
@@ -0,0 +1,21 @@
+// Test that we don't show variables with from for loop desugaring
+
+fn for_loop(s: &[i32]) {
+    for &ref mut x in s {}
+    //~^ ERROR cannot borrow data in a `&` reference as mutable [E0596]
+}
+
+struct D<'a>(&'a ());
+
+impl Drop for D<'_> {
+    fn drop(&mut self) {}
+}
+
+fn for_loop_dropck(v: Vec<D<'static>>) {
+    for ref mut d in v {
+        let y = ();
+        *d = D(&y); //~ ERROR `y` does not live long enough
+    }
+}
+
+fn main() {}