1 files changed, 22 insertions, 0 deletions
diff --git a/src/test/ui/lint/auxiliary/add-impl.rs b/src/test/ui/lint/auxiliary/add-impl.rs
new file mode 100644
index 000000000..9d0e3068a
--- /dev/null
+++ b/src/test/ui/lint/auxiliary/add-impl.rs
@@ -0,0 +1,22 @@
+// force-host
+// no-prefer-dynamic
+
+#![crate_type = "proc-macro"]
+
+extern crate proc_macro;
+
+use proc_macro::TokenStream;
+
+#[proc_macro_derive(AddImpl)]
+// Unnecessary qualification `bar::foo`
+// https://github.com/rust-lang/rust/issues/71898
+pub fn derive(input: TokenStream) -> TokenStream {
+    "impl B {
+            fn foo(&self) { use bar::foo; bar::foo() }
+        }
+
+        fn foo() {}
+
+        mod bar { pub fn foo() {} }
+    ".parse().unwrap()
+}