From eaa7dfedea342167da56db767684ff26b45cd8a6 Mon Sep 17 00:00:00 2001
From: Vic <59878206+Victoronz@users.noreply.github.com>
Date: Sat, 30 Nov 2024 16:24:35 +0100
Subject: [PATCH] fix QueryIter::sort_unstable_by (#16565)

# Objective

`QueryIter::sort_unstable_by` is mistakenly using `slice::sort_by`.

## Solution

Use `slice::sort_unstable_by`.
---
 crates/bevy_ecs/src/query/iter.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/crates/bevy_ecs/src/query/iter.rs b/crates/bevy_ecs/src/query/iter.rs
index bf4c5432546f9..cb1d695a4d58c 100644
--- a/crates/bevy_ecs/src/query/iter.rs
+++ b/crates/bevy_ecs/src/query/iter.rs
@@ -774,7 +774,7 @@ impl<'w, 's, D: QueryData, F: QueryFilter> QueryIter<'w, 's, D, F> {
             )
         };
         let mut keyed_query: Vec<_> = query_lens.collect();
-        keyed_query.sort_by(|(key_1, _), (key_2, _)| compare(key_1, key_2));
+        keyed_query.sort_unstable_by(|(key_1, _), (key_2, _)| compare(key_1, key_2));
         let entity_iter = keyed_query.into_iter().map(|(.., entity)| entity);
         // SAFETY:
         // `self.world` has permission to access the required components.