From 3ff249a5d538acaaf8f3f5c7f3ee4de7afa26d0d Mon Sep 17 00:00:00 2001
From: Alik Aslanyan <inline0@protonmail.com>
Date: Wed, 22 Dec 2021 02:03:51 +0400
Subject: [PATCH] Add failing test

---
 .../auxiliary/other_crate.rs                     |  8 ++++++++
 .../dont-suggest-doc-hidden-variant-for-enum.rs  |  7 +++++++
 ...nt-suggest-doc-hidden-variant-for-enum.stderr | 16 ++++++++++++++++
 3 files changed, 31 insertions(+)
 create mode 100644 src/test/ui/suggestions/dont-suggest-doc-hidden-variant-for-enum/auxiliary/other_crate.rs
 create mode 100644 src/test/ui/suggestions/dont-suggest-doc-hidden-variant-for-enum/dont-suggest-doc-hidden-variant-for-enum.rs
 create mode 100644 src/test/ui/suggestions/dont-suggest-doc-hidden-variant-for-enum/dont-suggest-doc-hidden-variant-for-enum.stderr

diff --git a/src/test/ui/suggestions/dont-suggest-doc-hidden-variant-for-enum/auxiliary/other_crate.rs b/src/test/ui/suggestions/dont-suggest-doc-hidden-variant-for-enum/auxiliary/other_crate.rs
new file mode 100644
index 0000000000000..5a5079d8204ac
--- /dev/null
+++ b/src/test/ui/suggestions/dont-suggest-doc-hidden-variant-for-enum/auxiliary/other_crate.rs
@@ -0,0 +1,8 @@
+#![crate_type = "lib"]
+
+extern crate core;
+
+#[doc(hidden)]
+pub mod __private {
+    pub use core::option::Option::{self, None, Some};
+}
diff --git a/src/test/ui/suggestions/dont-suggest-doc-hidden-variant-for-enum/dont-suggest-doc-hidden-variant-for-enum.rs b/src/test/ui/suggestions/dont-suggest-doc-hidden-variant-for-enum/dont-suggest-doc-hidden-variant-for-enum.rs
new file mode 100644
index 0000000000000..71bf64dafc7c9
--- /dev/null
+++ b/src/test/ui/suggestions/dont-suggest-doc-hidden-variant-for-enum/dont-suggest-doc-hidden-variant-for-enum.rs
@@ -0,0 +1,7 @@
+// aux-build:other_crate.rs
+
+extern crate other_crate;
+
+fn main() {
+    let x: Option<i32> = 1i32; //~ ERROR 6:26: 6:30: mismatched types [E0308]
+}
diff --git a/src/test/ui/suggestions/dont-suggest-doc-hidden-variant-for-enum/dont-suggest-doc-hidden-variant-for-enum.stderr b/src/test/ui/suggestions/dont-suggest-doc-hidden-variant-for-enum/dont-suggest-doc-hidden-variant-for-enum.stderr
new file mode 100644
index 0000000000000..709dec3ec3132
--- /dev/null
+++ b/src/test/ui/suggestions/dont-suggest-doc-hidden-variant-for-enum/dont-suggest-doc-hidden-variant-for-enum.stderr
@@ -0,0 +1,16 @@
+error[E0308]: mismatched types
+  --> $DIR/dont-suggest-doc-hidden-variant-for-enum.rs:6:26
+   |
+LL |     let x: Option<i32> = 1i32;
+   |            -----------   ^^^^
+   |            |             |
+   |            |             expected enum `Option`, found `i32`
+   |            |             help: try using a variant of the expected enum: `Some(1i32)`
+   |            expected due to this
+   |
+   = note: expected enum `Option<i32>`
+              found type `i32`
+
+error: aborting due to previous error
+
+For more information about this error, try `rustc --explain E0308`.