1 files changed, 22 insertions, 0 deletions
diff --git a/tests/ui/proc-macro/pub-at-crate-root.rs b/tests/ui/proc-macro/pub-at-crate-root.rs
new file mode 100644
index 00000000000..54cf333a45b
--- /dev/null
+++ b/tests/ui/proc-macro/pub-at-crate-root.rs
@@ -0,0 +1,22 @@
+// force-host
+// no-prefer-dynamic
+
+#![crate_type = "proc-macro"]
+
+extern crate proc_macro;
+
+pub mod a { //~ `proc-macro` crate types currently cannot export any items
+    use proc_macro::TokenStream;
+
+    #[proc_macro_derive(B)]
+    pub fn bar(a: TokenStream) -> TokenStream {
+    //~^ ERROR: must currently reside in the root of the crate
+        a
+    }
+}
+
+#[proc_macro_derive(B)]
+fn bar(a: proc_macro::TokenStream) -> proc_macro::TokenStream {
+//~^ ERROR: functions tagged with `#[proc_macro_derive]` must be `pub`
+    a
+}