1 files changed, 11 insertions, 0 deletions
diff --git a/src/test/ui/borrowck/issue-69789-iterator-mut-suggestion.rs b/src/test/ui/borrowck/issue-69789-iterator-mut-suggestion.rs
new file mode 100644
index 000000000..f6d0e9e04
--- /dev/null
+++ b/src/test/ui/borrowck/issue-69789-iterator-mut-suggestion.rs
@@ -0,0 +1,11 @@
+// Regression test for #69789: rustc generated an invalid suggestion
+// when `&` reference from `&mut` iterator is mutated.
+
+fn main() {
+    for item in &mut std::iter::empty::<&'static ()>() {
+        //~^ NOTE this iterator yields `&` references
+        *item = ();
+        //~^ ERROR cannot assign
+        //~| NOTE  cannot be written
+    }
+}