1 files changed, 13 insertions, 0 deletions
diff --git a/tests/ui/not-panic/not-panic-safe-3.rs b/tests/ui/not-panic/not-panic-safe-3.rs
new file mode 100644
index 000000000..21f0c0993
--- /dev/null
+++ b/tests/ui/not-panic/not-panic-safe-3.rs
@@ -0,0 +1,13 @@
+#![allow(dead_code)]
+
+use std::panic::UnwindSafe;
+use std::sync::Arc;
+use std::cell::RefCell;
+
+fn assert<T: UnwindSafe + ?Sized>() {}
+
+fn main() {
+    assert::<Arc<RefCell<i32>>>();
+    //~^ ERROR the type `UnsafeCell<i32>` may contain interior mutability and a
+    //~| ERROR the type `UnsafeCell<isize>` may contain interior mutability and a
+}