1 files changed, 15 insertions, 0 deletions
diff --git a/tests/ui/proc-macro/auxiliary/derive-atob.rs b/tests/ui/proc-macro/auxiliary/derive-atob.rs
new file mode 100644
index 00000000000..207b7fd3203
--- /dev/null
+++ b/tests/ui/proc-macro/auxiliary/derive-atob.rs
@@ -0,0 +1,15 @@
+// force-host
+// no-prefer-dynamic
+
+#![crate_type = "proc-macro"]
+
+extern crate proc_macro;
+
+use proc_macro::TokenStream;
+
+#[proc_macro_derive(AToB)]
+pub fn derive(input: TokenStream) -> TokenStream {
+    let input = input.to_string();
+    assert_eq!(input, "struct A ;");
+    "struct B;".parse().unwrap()
+}