1 files changed, 19 insertions, 0 deletions
diff --git a/src/test/ui/proc-macro/reserved-macro-names.rs b/src/test/ui/proc-macro/reserved-macro-names.rs
new file mode 100644
index 000000000..c5e71a87d
--- /dev/null
+++ b/src/test/ui/proc-macro/reserved-macro-names.rs
@@ -0,0 +1,19 @@
+// force-host
+// no-prefer-dynamic
+
+#![crate_type = "proc-macro"]
+
+extern crate proc_macro;
+use proc_macro::*;
+
+#[proc_macro_attribute]
+pub fn cfg(_: TokenStream, input: TokenStream) -> TokenStream {
+    //~^ ERROR name `cfg` is reserved in attribute namespace
+    input
+}
+
+#[proc_macro_attribute]
+pub fn cfg_attr(_: TokenStream, input: TokenStream) -> TokenStream {
+    //~^ ERROR name `cfg_attr` is reserved in attribute namespace
+    input
+}