1 files changed, 7 insertions, 3 deletions
diff --git a/src/array.js b/src/array.js
index daa75d57..00a4fee5 100644
--- a/src/array.js
+++ b/src/array.js
@@ -823,7 +823,8 @@ function ArraySort(comparefn) {
       var element = a[i];
       var order = %_CallFunction(receiver, element, pivot, comparefn);
       if (order < 0) {
-        %_SwapElements(a, i, low_end);
+        a[i] = a[low_end];
+        a[low_end] = element;
         low_end++;
       } else if (order > 0) {
         do {
@@ -832,9 +833,12 @@ function ArraySort(comparefn) {
           var top_elem = a[high_start];
           order = %_CallFunction(receiver, top_elem, pivot, comparefn);
         } while (order > 0);
-        %_SwapElements(a, i, high_start);
+        a[i] = a[high_start];
+        a[high_start] = element;
         if (order < 0) {
-          %_SwapElements(a, i, low_end);
+          element = a[i];
+          a[i] = a[low_end];
+          a[low_end] = element;
           low_end++;
         }
       }