1 files changed, 15 insertions, 0 deletions
diff --git a/tests/ui/nll/return_from_loop.stderr b/tests/ui/nll/return_from_loop.stderr
new file mode 100644
index 000000000..bd2b8b158
--- /dev/null
+++ b/tests/ui/nll/return_from_loop.stderr
@@ -0,0 +1,15 @@
+error[E0499]: cannot borrow `my_struct.field` as mutable more than once at a time
+  --> $DIR/return_from_loop.rs:20:9
+   |
+LL |     let value = &mut my_struct.field;
+   |                 -------------------- first mutable borrow occurs here
+LL |     loop {
+LL |         my_struct.field.push_str("Hello, world!");
+   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ second mutable borrow occurs here
+LL |
+LL |         value.len();
+   |         ----------- first borrow later used here
+
+error: aborting due to previous error
+
+For more information about this error, try `rustc --explain E0499`.