Mercurial > hg > ucx / changeset

--- a/src/list.c	Thu Oct 30 19:26:47 2025 +0100
+++ b/src/list.c	Thu Oct 30 19:27:18 2025 +0100
@@ -868,8 +868,8 @@
 
     // first, remove existing items from dst when needed
     if (cxCollectionSorted(dst) && cxCollectionSorted(subtrahend)) {
-        CxIterator sub_iter = cxListIterator(dst);
         CxIterator dst_iter = cxListIterator(dst);
+        CxIterator sub_iter = cxListIterator(subtrahend);
         while (cxIteratorValid(dst_iter) && cxIteratorValid(sub_iter)) {
             void *dst_elem = cxIteratorCurrent(dst_iter);
             void *sub_elem = cxIteratorCurrent(sub_iter);