From d655decf9dfa21feb0737793c123fa96a402937c Mon Sep 17 00:00:00 2001
From: peter <petrel.harp@gmail.com>
Date: Mon, 6 Nov 2023 10:43:08 -0800
Subject: [PATCH] jerome fix

---
 c/tskit/trees.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/c/tskit/trees.c b/c/tskit/trees.c
index 2f2ccf7ebb..56991b5f40 100644
--- a/c/tskit/trees.c
+++ b/c/tskit/trees.c
@@ -7808,11 +7808,11 @@ tsk_treeseq_extend_edges_iter(
                 // add edge to pending_out
                 ret = extend_edges_append_entry(
                     &edges_out_head, &edges_out_tail, &edge_list_heap, e);
-                out_parent[edges->child[e]] = edges->parent[e];
                 if (ret != 0) {
                     ret = TSK_ERR_NO_MEMORY;
                     goto out;
                 }
+                out_parent[edges->child[e]] = edges->parent[e];
             }
         }
         for (tj = tree_pos.in.start; tj != tree_pos.in.stop; tj += direction) {