From 6d10fd0b5b2a2ac2c79556d42608476241d68b36 Mon Sep 17 00:00:00 2001
From: Guillaume Gomez <guillaume.gomez@huawei.com>
Date: Fri, 15 Apr 2022 21:53:02 +0200
Subject: [PATCH] Add regression test for rustdoc duplicated blanket impls

---
 src/test/rustdoc/duplicated_impl.rs | 14 ++++++++++++++
 1 file changed, 14 insertions(+)
 create mode 100644 src/test/rustdoc/duplicated_impl.rs

diff --git a/src/test/rustdoc/duplicated_impl.rs b/src/test/rustdoc/duplicated_impl.rs
new file mode 100644
index 0000000000000..4e901b31c9076
--- /dev/null
+++ b/src/test/rustdoc/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 has-srclink"]' 1
+
+pub trait Something<T> { }
+pub struct Whatever;
+impl<T> Something<Whatever> for T {}