1 files changed, 17 insertions, 0 deletions
diff --git a/src/test/ui/lint/lint-forbid-internal-unsafe.rs b/src/test/ui/lint/lint-forbid-internal-unsafe.rs
new file mode 100644
index 000000000..3ee55ba96
--- /dev/null
+++ b/src/test/ui/lint/lint-forbid-internal-unsafe.rs
@@ -0,0 +1,17 @@
+#![forbid(unsafe_code)]
+#![feature(allow_internal_unsafe)]
+
+#[allow_internal_unsafe]
+//~^ ERROR: `allow_internal_unsafe` allows defining
+macro_rules! evil {
+    ($e:expr) => {
+        unsafe {
+            $e
+        }
+    }
+}
+
+fn main() {
+    println!("{}", evil!(*(0 as *const u8)));
+    //~^ WARNING dereferencing a null pointer
+}