From bcc4469c2b4d75bd52f23d404e9c4b3561372b2a Mon Sep 17 00:00:00 2001
From: "Christopher B. Speir" <chris@cbspeir.dev>
Date: Tue, 23 Apr 2024 14:38:29 -0500
Subject: [PATCH] Add diagnostic item for std::iter::Enumerate

---
 compiler/rustc_span/src/symbol.rs           | 1 +
 library/core/src/iter/adapters/enumerate.rs | 1 +
 2 files changed, 2 insertions(+)

diff --git a/compiler/rustc_span/src/symbol.rs b/compiler/rustc_span/src/symbol.rs
index 8abf42e2c13..99591b5e144 100644
--- a/compiler/rustc_span/src/symbol.rs
+++ b/compiler/rustc_span/src/symbol.rs
@@ -192,6 +192,7 @@
         Duration,
         Encodable,
         Encoder,
+        Enumerate,
         Eq,
         Equal,
         Err,
diff --git a/library/core/src/iter/adapters/enumerate.rs b/library/core/src/iter/adapters/enumerate.rs
index ef46040f0a7..7adbabf69e4 100644
--- a/library/core/src/iter/adapters/enumerate.rs
+++ b/library/core/src/iter/adapters/enumerate.rs
@@ -15,6 +15,7 @@
 #[derive(Clone, Debug)]
 #[must_use = "iterators are lazy and do nothing unless consumed"]
 #[stable(feature = "rust1", since = "1.0.0")]
+#[cfg_attr(not(test), rustc_diagnostic_item = "Enumerate")]
 pub struct Enumerate<I> {
     iter: I,
     count: usize,