1 files changed, 15 insertions, 0 deletions

diff --git a/src/test/ui/issues/issue-40288.stderr b/src/test/ui/issues/issue-40288.stderr
new file mode 100644
index 000000000..fb4ecab36
--- /dev/null
+++ b/src/test/ui/issues/issue-40288.stderr
@@ -0,0 +1,15 @@
+error[E0506]: cannot assign to `*refr` because it is borrowed
+  --> $DIR/issue-40288.rs:16:5
+   |
+LL |     save_ref(&*refr, &mut out);
+   |              ------ borrow of `*refr` occurs here
+...
+LL |     *refr = 3;
+   |     ^^^^^^^^^ assignment to borrowed `*refr` occurs here
+...
+LL |     println!("{:?}", out[0]);
+   |                      ------ borrow later used here
+
+error: aborting due to previous error
+
+For more information about this error, try `rustc --explain E0506`.