1 files changed, 16 insertions, 0 deletions
diff --git a/src/test/ui/proc-macro/auxiliary/double.rs b/src/test/ui/proc-macro/auxiliary/double.rs
new file mode 100644
index 000000000..99eb4e375
--- /dev/null
+++ b/src/test/ui/proc-macro/auxiliary/double.rs
@@ -0,0 +1,16 @@
+// force-host
+// no-prefer-dynamic
+
+#![feature(proc_macro_quote)]
+
+#![crate_type = "proc-macro"]
+
+extern crate proc_macro;
+use proc_macro::*;
+
+// Outputs another copy of the struct.  Useful for testing the tokens
+// seen by the proc_macro.
+#[proc_macro_derive(Double)]
+pub fn derive(input: TokenStream) -> TokenStream {
+    quote!(mod foo { $input })
+}