Fix doc comment parsing in macros.

1 files changed, 46 insertions, 0 deletions

diff --git a/src/test/rustdoc/issue-23812.rs b/src/test/rustdoc/issue-23812.rs
new file mode 100644
index 00000000000..37f6749694c
--- /dev/null
+++ b/src/test/rustdoc/issue-23812.rs
@@ -0,0 +1,46 @@
+// 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.
+
+macro_rules! doc {
+    (#[$outer:meta] mod $i:ident { #![$inner:meta] }) =>
+    (
+        #[$outer]
+        pub mod $i {
+            #![$inner]
+        }
+    )
+}
+
+doc! {
+    /// Outer comment
+    mod Foo {
+        //! Inner comment
+    }
+}
+
+// @has issue_23812/Foo/index.html
+// @has - 'Outer comment'
+// @!has - '/// Outer comment'
+// @has - 'Inner comment'
+// @!has - '//! Inner comment'
+
+
+doc! {
+    /** Outer block comment */
+    mod Bar {
+        /*! Inner block comment */
+    }
+}
+
+// @has issue_23812/Bar/index.html
+// @has - 'Outer block comment'
+// @!has - '/** Outer block comment */'
+// @has - 'Inner block comment'
+// @!has - '/*! Inner block comment */'