Auto merge of #21542 - vadimcn:fix-exported-macro-paths, r=alexcrichton

... so that `super::foo` gets serialized as `super:: foo`, rather than `super :: foo`.

src/test/auxiliary/macro_with_super_1.rs

@@ -0,0 +1,26 @@
+// Copyright 2015 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.
+
+#![crate_type = "lib"]
+
+#[macro_export]
+macro_rules! declare {
+    () => (
+        pub fn aaa() {}
+
+        pub mod bbb {
+            use super::aaa;
+
+            pub fn ccc() {
+                aaa();
+            }
+        }
+    )
+}

src/test/run-pass/macro_with_super_2.rs

@@ -0,0 +1,20 @@
+// Copyright 2015 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.
+
+// aux-build:macro_with_super_1.rs
+
+#[macro_use]
+extern crate macro_with_super_1;
+
+declare!();
+
+fn main() {
+    bbb::ccc();
+}