From 68d0094305b4bebb96ef9d4c111fca256c1b0b4f Mon Sep 17 00:00:00 2001
From: Guillaume Gomez <guillaume.gomez@huawei.com>
Date: Thu, 1 Sep 2022 14:31:41 +0200
Subject: [PATCH] Add regression test for #101129

---
 src/test/rustdoc/doc_auto_cfg_nested_impl.rs | 24 ++++++++++++++++++++
 1 file changed, 24 insertions(+)
 create mode 100644 src/test/rustdoc/doc_auto_cfg_nested_impl.rs

diff --git a/src/test/rustdoc/doc_auto_cfg_nested_impl.rs b/src/test/rustdoc/doc_auto_cfg_nested_impl.rs
new file mode 100644
index 00000000000..4d73e0d829a
--- /dev/null
+++ b/src/test/rustdoc/doc_auto_cfg_nested_impl.rs
@@ -0,0 +1,24 @@
+// Regression test for <https://github.com/rust-lang/rust/issues/101129>.
+
+#![feature(doc_auto_cfg)]
+#![crate_type = "lib"]
+#![crate_name = "foo"]
+
+pub struct S;
+pub trait MyTrait1 {}
+pub trait MyTrait2 {}
+
+// @has foo/struct.S.html
+// @has - '//*[@id="impl-MyTrait1-for-S"]//*[@class="stab portability"]' \
+//        'Available on non-crate feature coolstuff only.'
+#[cfg(not(feature = "coolstuff"))]
+impl MyTrait1 for S {}
+
+#[cfg(not(feature = "coolstuff"))]
+mod submod {
+    use crate::{S, MyTrait2};
+    // This impl should also have the `not(feature = "coolstuff")`.
+    // @has - '//*[@id="impl-MyTrait2-for-S"]//*[@class="stab portability"]' \
+    //        'Available on non-crate feature coolstuff only.'
+    impl MyTrait2 for S {}
+}