From 905ca49753ea614ea0e22b53d3d9a6d699dae362 Mon Sep 17 00:00:00 2001
From: Mark Thom <markjordanthom@gmail.com>
Date: Thu, 24 Apr 2025 22:20:40 -0700
Subject: [PATCH] correct heap-to-cell-index comparison in copy_slice_to_end
 (#2906)

---
 src/machine/heap.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/machine/heap.rs b/src/machine/heap.rs
index b03d5efa..c12af9d1 100644
--- a/src/machine/heap.rs
+++ b/src/machine/heap.rs
@@ -870,7 +870,7 @@ impl Heap {
 
         unsafe {
             loop {
-                if self.free_space() >= len {
+                if self.free_space() >= heap_index!(len) {
                     ptr::copy_nonoverlapping(
                         self.inner.ptr.add(heap_index!(range.start)),
                         self.inner.ptr.add(self.inner.byte_len),
-- 
2.54.0