1 files changed, 10 insertions, 0 deletions
diff --git a/src/test/ui/macros/out-of-order-shadowing.rs b/src/test/ui/macros/out-of-order-shadowing.rs
new file mode 100644
index 000000000..a0d1a9737
--- /dev/null
+++ b/src/test/ui/macros/out-of-order-shadowing.rs
@@ -0,0 +1,10 @@
+// aux-build:define-macro.rs
+
+macro_rules! bar { () => {} }
+define_macro!(bar);
+bar!(); //~ ERROR `bar` is ambiguous
+
+macro_rules! m { () => { #[macro_use] extern crate define_macro; } }
+m!();
+
+fn main() {}