From 7905c8fd997c4e32703eb8adc793863707881bc6 Mon Sep 17 00:00:00 2001
From: JafarTano <81587305+JaafarTanoukhi@users.noreply.github.com>
Date: Mon, 18 May 2026 11:14:17 +0300
Subject: [PATCH] Add diagnostic items for IoBufReader and StdinLock

---
 compiler/rustc_span/src/symbol.rs        | 2 ++
 library/std/src/io/buffered/bufreader.rs | 1 +
 library/std/src/io/stdio.rs              | 1 +
 3 files changed, 4 insertions(+)

diff --git a/compiler/rustc_span/src/symbol.rs b/compiler/rustc_span/src/symbol.rs
index 69ed7314855f..49852e006e4c 100644
--- a/compiler/rustc_span/src/symbol.rs
+++ b/compiler/rustc_span/src/symbol.rs
@@ -237,6 +237,7 @@
         IntoFuture,
         IntoIterator,
         IntoIteratorItem,
+        IoBufReader,
         IrTyKind,
         Item,
         ItemContext,
@@ -306,6 +307,7 @@
         Some,
         Source,
         SpanCtxt,
+        StdinLock,
         Str,
         String,
         Struct,
diff --git a/library/std/src/io/buffered/bufreader.rs b/library/std/src/io/buffered/bufreader.rs
index ac461f4f0307..36bf329a946e 100644
--- a/library/std/src/io/buffered/bufreader.rs
+++ b/library/std/src/io/buffered/bufreader.rs
@@ -48,6 +48,7 @@
 /// }
 /// ```
 #[stable(feature = "rust1", since = "1.0.0")]
+#[cfg_attr(not(test), rustc_diagnostic_item = "IoBufReader")]
 pub struct BufReader<R: ?Sized> {
     buf: Buffer,
     inner: R,
diff --git a/library/std/src/io/stdio.rs b/library/std/src/io/stdio.rs
index 2d80fe49e80a..845d325e4e5b 100644
--- a/library/std/src/io/stdio.rs
+++ b/library/std/src/io/stdio.rs
@@ -285,6 +285,7 @@ pub struct Stdin {
 /// ```
 #[must_use = "if unused stdin will immediately unlock"]
 #[stable(feature = "rust1", since = "1.0.0")]
+#[cfg_attr(not(test), rustc_diagnostic_item = "StdinLock")]
 pub struct StdinLock<'a> {
     inner: MutexGuard<'a, BufReader<StdinRaw>>,
 }