1 files changed, 16 insertions, 0 deletions
diff --git a/tests/ui/proc-macro/auxiliary/append-impl.rs b/tests/ui/proc-macro/auxiliary/append-impl.rs
new file mode 100644
index 000000000..b032b1337
--- /dev/null
+++ b/tests/ui/proc-macro/auxiliary/append-impl.rs
@@ -0,0 +1,16 @@
+// force-host
+// no-prefer-dynamic
+
+#![crate_type = "proc-macro"]
+
+extern crate proc_macro;
+
+use proc_macro::TokenStream;
+
+#[proc_macro_derive(Append)]
+pub fn derive_a(input: TokenStream) -> TokenStream {
+    "impl Append for A {
+         fn foo(&self) {}
+     }
+    ".parse().unwrap()
+}