1 files changed, 12 insertions, 0 deletions
diff --git a/src/test/ui/not-panic/not-panic-safe-4.rs b/src/test/ui/not-panic/not-panic-safe-4.rs
new file mode 100644
index 000000000..ba93af5c0
--- /dev/null
+++ b/src/test/ui/not-panic/not-panic-safe-4.rs
@@ -0,0 +1,12 @@
+#![allow(dead_code)]
+
+use std::panic::UnwindSafe;
+use std::cell::RefCell;
+
+fn assert<T: UnwindSafe + ?Sized>() {}
+
+fn main() {
+    assert::<&RefCell<i32>>();
+    //~^ ERROR the type `UnsafeCell<i32>` may contain interior mutability and a
+    //~| ERROR the type `UnsafeCell<isize>` may contain interior mutability and a
+}