From fa1f6abe784f37fcd10524abfe88b6ff95b59a91 Mon Sep 17 00:00:00 2001
From: Feoramund <161657516+Feoramund@users.noreply.github.com>
Date: Wed, 9 Apr 2025 16:18:23 -0400
Subject: [PATCH] Don't atomically subtract zero from `remote_free_count`

---
 base/runtime/heap_allocator_implementation.odin | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/base/runtime/heap_allocator_implementation.odin b/base/runtime/heap_allocator_implementation.odin
index 0c6ea2d26..76013ba4f 100644
--- a/base/runtime/heap_allocator_implementation.odin
+++ b/base/runtime/heap_allocator_implementation.odin
@@ -1502,7 +1502,9 @@ heap_alloc :: proc "contextless" (size: int, zero_memory: bool = true) -> (ptr:
 			assert_contextless(cache.next_cache_block != nil)
 			cache = cache.next_cache_block
 		}
-		intrinsics.atomic_sub_explicit(&local_heap_cache.remote_free_count, removed, .Release)
+		if removed > 0 {
+			intrinsics.atomic_sub_explicit(&local_heap_cache.remote_free_count, removed, .Release)
+		}
 		heap_debug_cover(.Alloc_Collected_Remote_Frees)
 	}