1 files changed, 16 insertions, 0 deletions
diff --git a/src/test/ui/lint/unused-qualification-in-derive-expansion.rs b/src/test/ui/lint/unused-qualification-in-derive-expansion.rs
new file mode 100644
index 000000000..c2efbf507
--- /dev/null
+++ b/src/test/ui/lint/unused-qualification-in-derive-expansion.rs
@@ -0,0 +1,16 @@
+// run-pass
+// aux-build:add-impl.rs
+
+#![forbid(unused_qualifications)]
+
+#[macro_use]
+extern crate add_impl;
+
+#[derive(AddImpl)]
+struct B;
+
+fn main() {
+    B.foo();
+    foo();
+    bar::foo();
+}