1 files changed, 11 insertions, 0 deletions

diff --git a/src/test/ui/issues/issue-22034.rs b/src/test/ui/issues/issue-22034.rs
new file mode 100644
index 000000000..405ffd089
--- /dev/null
+++ b/src/test/ui/issues/issue-22034.rs
@@ -0,0 +1,11 @@
+#![feature(rustc_private)]
+
+extern crate libc;
+
+fn main() {
+    let ptr: *mut () = core::ptr::null_mut();
+    let _: &mut dyn Fn() = unsafe {
+        &mut *(ptr as *mut dyn Fn())
+        //~^ ERROR expected a `Fn<()>` closure, found `()`
+    };
+}