diff --git a/tests/run-pass/ref-invalid-ptr.rs b/tests/run-pass/ref-invalid-ptr.rs
new file mode 100644
index 000000000000..ebbbb77748d4
--- /dev/null
+++ b/tests/run-pass/ref-invalid-ptr.rs
@@ -0,0 +1,7 @@
+fn main() {
+    let x = 2usize as *const u32;
+    let _y = unsafe { &*x as *const u32 };
+
+    let x = 0usize as *const u32;
+    let _y = unsafe { &*x as *const u32 };
+}