1 files changed, 14 insertions, 0 deletions
diff --git a/tests/rustdoc/impl/duplicated_impl.rs b/tests/rustdoc/impl/duplicated_impl.rs
new file mode 100644
index 00000000000..e7828885cc1
--- /dev/null
+++ b/tests/rustdoc/impl/duplicated_impl.rs
@@ -0,0 +1,14 @@
+// This test ensures that the same implementation doesn't show more than once.
+// It's a regression test for https://github.com/rust-lang/rust/issues/96036.
+
+#![crate_name = "foo"]
+
+// We check that there is only one "impl<T> Something<Whatever> for T" listed in the
+// blanket implementations.
+
+//@ has 'foo/struct.Whatever.html'
+//@ count - '//*[@id="blanket-implementations-list"]/section[@class="impl"]' 1
+
+pub trait Something<T> { }
+pub struct Whatever;
+impl<T> Something<Whatever> for T {}