1 files changed, 11 insertions, 0 deletions
diff --git a/tests/ui/internal-lints/existing_doc_keyword.rs b/tests/ui/internal-lints/existing_doc_keyword.rs
new file mode 100644
index 000000000..7783dc40f
--- /dev/null
+++ b/tests/ui/internal-lints/existing_doc_keyword.rs
@@ -0,0 +1,11 @@
+// compile-flags: -Z unstable-options
+
+#![feature(rustc_private)]
+#![feature(rustdoc_internals)]
+
+#![crate_type = "lib"]
+
+#![deny(rustc::existing_doc_keyword)]
+
+#[doc(keyword = "tadam")] //~ ERROR
+mod tadam {}