From 2ba483883ea680b7f772d3b0fae5d1003c9d969d Mon Sep 17 00:00:00 2001
From: Guillaume Gomez <guillaume.gomez@huawei.com>
Date: Mon, 8 Nov 2021 17:27:56 +0100
Subject: [PATCH] Add feature gate test for "rustdoc_internal" feature

---
 .../internal-lints/existing_doc_keyword.rs           |  2 +-
 .../feature-gates/feature-gate-rustdoc_internals.rs  |  5 +++++
 .../feature-gate-rustdoc_internals.stderr            | 12 ++++++++++++
 3 files changed, 18 insertions(+), 1 deletion(-)
 create mode 100644 src/test/ui/feature-gates/feature-gate-rustdoc_internals.rs
 create mode 100644 src/test/ui/feature-gates/feature-gate-rustdoc_internals.stderr

diff --git a/src/test/ui-fulldeps/internal-lints/existing_doc_keyword.rs b/src/test/ui-fulldeps/internal-lints/existing_doc_keyword.rs
index 053712a4b4ee..7783dc40fcf2 100644
--- a/src/test/ui-fulldeps/internal-lints/existing_doc_keyword.rs
+++ b/src/test/ui-fulldeps/internal-lints/existing_doc_keyword.rs
@@ -1,7 +1,7 @@
 // compile-flags: -Z unstable-options
 
 #![feature(rustc_private)]
-#![feature(doc_keyword)]
+#![feature(rustdoc_internals)]
 
 #![crate_type = "lib"]
 
diff --git a/src/test/ui/feature-gates/feature-gate-rustdoc_internals.rs b/src/test/ui/feature-gates/feature-gate-rustdoc_internals.rs
new file mode 100644
index 000000000000..f81afad17652
--- /dev/null
+++ b/src/test/ui/feature-gates/feature-gate-rustdoc_internals.rs
@@ -0,0 +1,5 @@
+#[doc(keyword = "match")] //~ ERROR: `#[doc(keyword)]` is experimental
+/// wonderful
+mod foo {}
+
+fn main() {}
diff --git a/src/test/ui/feature-gates/feature-gate-rustdoc_internals.stderr b/src/test/ui/feature-gates/feature-gate-rustdoc_internals.stderr
new file mode 100644
index 000000000000..036156f79912
--- /dev/null
+++ b/src/test/ui/feature-gates/feature-gate-rustdoc_internals.stderr
@@ -0,0 +1,12 @@
+error[E0658]: `#[doc(keyword)]` is experimental
+  --> $DIR/feature-gate-rustdoc_internals.rs:1:1
+   |
+LL | #[doc(keyword = "match")]
+   | ^^^^^^^^^^^^^^^^^^^^^^^^^
+   |
+   = note: see issue #90418 <https://github.com/rust-lang/rust/issues/90418> for more information
+   = help: add `#![feature(rustdoc_internals)]` to the crate attributes to enable
+
+error: aborting due to previous error
+
+For more information about this error, try `rustc --explain E0658`.