1 files changed, 40 insertions, 0 deletions
diff --git a/tests/rustdoc/issue-20727-4.rs b/tests/rustdoc/issue-20727-4.rs
new file mode 100644
index 00000000000..643f9387590
--- /dev/null
+++ b/tests/rustdoc/issue-20727-4.rs
@@ -0,0 +1,40 @@
+// aux-build:issue-20727.rs
+// ignore-cross-compile
+
+extern crate issue_20727;
+
+// @has issue_20727_4/trait.Index.html
+pub trait Index<Idx: ?Sized> {
+    // @has - '//*[@class="rust trait"]' 'trait Index<Idx: ?Sized> {'
+    // @has - '//*[@class="rust trait"]' 'type Output: ?Sized'
+    type Output: ?Sized;
+
+    // @has - '//*[@class="rust trait"]' \
+    //        'fn index(&self, index: Idx) -> &Self::Output'
+    fn index(&self, index: Idx) -> &Self::Output;
+}
+
+// @has issue_20727_4/trait.IndexMut.html
+pub trait IndexMut<Idx: ?Sized>: Index<Idx> {
+    // @has - '//*[@class="rust trait"]' \
+    //        'trait IndexMut<Idx: ?Sized>: Index<Idx> {'
+    // @has - '//*[@class="rust trait"]' \
+    //        'fn index_mut(&mut self, index: Idx) -> &mut Self::Output;'
+    fn index_mut(&mut self, index: Idx) -> &mut Self::Output;
+}
+
+pub mod reexport {
+    // @has issue_20727_4/reexport/trait.Index.html
+    // @has - '//*[@class="rust trait"]' 'trait Index<Idx>where Idx: ?Sized,{'
+    // @has - '//*[@class="rust trait"]' 'type Output: ?Sized'
+    // @has - '//*[@class="rust trait"]' \
+    //        'fn index(&self, index: Idx) -> &Self::Output'
+    pub use issue_20727::Index;
+
+    // @has issue_20727_4/reexport/trait.IndexMut.html
+    // @has - '//*[@class="rust trait"]' \
+    //        'trait IndexMut<Idx>: Index<Idx>where Idx: ?Sized,{'
+    // @has - '//*[@class="rust trait"]' \
+    //        'fn index_mut(&mut self, index: Idx) -> &mut Self::Output;'
+    pub use issue_20727::IndexMut;
+}