1 files changed, 39 insertions, 0 deletions
diff --git a/tests/rustdoc/macro/macro-doc-comment-23812.rs b/tests/rustdoc/macro/macro-doc-comment-23812.rs
new file mode 100644
index 00000000000..03fda4a25b9
--- /dev/null
+++ b/tests/rustdoc/macro/macro-doc-comment-23812.rs
@@ -0,0 +1,39 @@
+// https://github.com/rust-lang/rust/issues/23812
+#![crate_name="issue_23812"]
+
+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
+//@ hasraw - 'Outer comment'
+//@ !hasraw - '/// Outer comment'
+//@ hasraw - 'Inner comment'
+//@ !hasraw - '//! Inner comment'
+
+
+doc! {
+    /** Outer block comment */
+    mod Bar {
+        /*! Inner block comment */
+    }
+}
+
+//@ has issue_23812/Bar/index.html
+//@ hasraw - 'Outer block comment'
+//@ !hasraw - '/** Outer block comment */'
+//@ hasraw - 'Inner block comment'
+//@ !hasraw - '/*! Inner block comment */'