added run-pass test from issue #9110

Author: jbclements

src/test/run-pass/issue-9110.rs

@@ -0,0 +1,22 @@
+// Copyright 2013 The Rust Project Developers. See the COPYRIGHT
+// file at the top-level directory of this distribution and at
+// http://rust-lang.org/COPYRIGHT.
+//
+// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
+// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
+// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
+// option. This file may not be copied, modified, or distributed
+// except according to those terms.
+
+macro_rules! silly_macro(
+    () => (
+        pub mod Qux {
+            pub struct Foo { x : u8 }
+            pub fn bar(_foo : Foo) {}
+        }
+    );
+)
+
+silly_macro!()
+
+fn main() {}