1 files changed, 22 insertions, 0 deletions
diff --git a/tests/incremental/auxiliary/incremental_proc_macro_aux.rs b/tests/incremental/auxiliary/incremental_proc_macro_aux.rs
new file mode 100644
index 000000000..6961450b4
--- /dev/null
+++ b/tests/incremental/auxiliary/incremental_proc_macro_aux.rs
@@ -0,0 +1,22 @@
+// force-host
+// no-prefer-dynamic
+
+#![crate_type = "proc-macro"]
+
+extern crate proc_macro;
+
+use proc_macro::TokenStream;
+
+// Add a function to shift DefIndex of registrar function
+#[cfg(cfail2)]
+fn foo() {}
+
+#[proc_macro_derive(IncrementalMacro)]
+pub fn derive(input: TokenStream) -> TokenStream {
+    #[cfg(cfail2)]
+    {
+        foo();
+    }
+
+    "".parse().unwrap()
+}