From a986c0a100dbee1ac2b13752884fcb41928e38a9 Mon Sep 17 00:00:00 2001
From: Ralf Jung <post@ralfj.de>
Date: Sat, 6 Apr 2024 12:37:28 +0200
Subject: [PATCH] make a doctest less slow in Miri

---
 library/alloc/src/sync.rs | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/library/alloc/src/sync.rs b/library/alloc/src/sync.rs
index 4dea27221b7..6ae52cc7827 100644
--- a/library/alloc/src/sync.rs
+++ b/library/alloc/src/sync.rs
@@ -1062,7 +1062,9 @@ impl<T, A: Allocator> Arc<T, A> {
     ///
     /// // Create a long list and clone it
     /// let mut x = LinkedList::new();
-    /// for i in 0..100000 {
+    /// let size = 100000;
+    /// # let size = if cfg!(miri) { 100 } else { size };
+    /// for i in 0..size {
     ///     x.push(i); // Adds i to the front of x
     /// }
     /// let y = x.clone();