diff --git a/src/librustdoc/html/markdown/tests.rs b/src/librustdoc/html/markdown/tests.rs
index ac3ea4c8c5f6f..d10da64ccfaa5 100644
--- a/src/librustdoc/html/markdown/tests.rs
+++ b/src/librustdoc/html/markdown/tests.rs
@@ -221,7 +221,7 @@ fn test_header_ids_multiple_blocks() {
 #[test]
 fn test_short_markdown_summary() {
     fn t(input: &str, expect: &str) {
-        let output = short_markdown_summary(input);
+        let output = short_markdown_summary(input, &[][..]);
         assert_eq!(output, expect, "original: {}", input);
     }
 
@@ -232,6 +232,7 @@ fn test_short_markdown_summary() {
     t("Hard-break  \nsummary", "Hard-break summary");
     t("hello [Rust] :)\n\n[Rust]: https://www.rust-lang.org", "hello Rust :)");
     t("hello [Rust](https://www.rust-lang.org \"Rust\") :)", "hello Rust :)");
+    t("dud [link]", "dud [link]");
     t("code `let x = i32;` ...", "code <code>let x = i32;</code> …");
     t("type `Type<'static>` ...", "type <code>Type<'static></code> …");
     t("# top header", "top header");
@@ -259,6 +260,7 @@ fn test_plain_text_summary() {
     t("Hard-break  \nsummary", "Hard-break summary");
     t("hello [Rust] :)\n\n[Rust]: https://www.rust-lang.org", "hello Rust :)");
     t("hello [Rust](https://www.rust-lang.org \"Rust\") :)", "hello Rust :)");
+    t("dud [link]", "dud [link]");
     t("code `let x = i32;` ...", "code `let x = i32;` …");
     t("type `Type<'static>` ...", "type `Type<'static>` …");
     t("# top header", "top header");
diff --git a/src/test/rustdoc-js/summaries.js b/src/test/rustdoc-js/summaries.js
index f175e47342df6..dfb11e80414c1 100644
--- a/src/test/rustdoc-js/summaries.js
+++ b/src/test/rustdoc-js/summaries.js
@@ -5,7 +5,7 @@ const QUERY = ['summaries', 'summaries::Sidebar', 'summaries::Sidebar2'];
 const EXPECTED = [
     {
         'others': [
-           { 'path': '', 'name': 'summaries', 'desc': 'This <em>summary</em> has a link and <code>code</code>.' },
+           { 'path': '', 'name': 'summaries', 'desc': 'This <em>summary</em> has a link, [<code>code</code>], and <code>Sidebar2</code> intra-doc.' },
         ],
     },
     {
diff --git a/src/test/rustdoc-js/summaries.rs b/src/test/rustdoc-js/summaries.rs
index beb91e286b610..418c9f8d0edd0 100644
--- a/src/test/rustdoc-js/summaries.rs
+++ b/src/test/rustdoc-js/summaries.rs
@@ -1,9 +1,11 @@
 #![crate_type = "lib"]
 #![crate_name = "summaries"]
 
-//! This *summary* has a [link] and `code`.
+//! This *summary* has a [link], [`code`], and [`Sidebar2`] intra-doc.
 //!
-//! This is the second paragraph.
+//! This is the second paragraph. It should not be rendered.
+//! To test that intra-doc links are resolved properly, [`code`] should render
+//! the square brackets, and [`Sidebar2`] should not.
 //!
 //! [link]: https://example.com