1 files changed, 10 insertions, 0 deletions
diff --git a/tests/ui/nll/mir_check_cast_unsize.rs b/tests/ui/nll/mir_check_cast_unsize.rs
new file mode 100644
index 000000000..f6c100ab6
--- /dev/null
+++ b/tests/ui/nll/mir_check_cast_unsize.rs
@@ -0,0 +1,10 @@
+#![allow(dead_code)]
+
+use std::fmt::Debug;
+
+fn bar<'a>(x: &'a u32) -> &'static dyn Debug {
+    x
+    //~^ ERROR lifetime may not live long enough
+}
+
+fn main() {}