[Guile-commits] 326/423: Fix bug clearing field set

[Andy Wingo]

wingo pushed a commit to branch wip-whippet
in repository guile.

commit cff99c75a889fa58cac70a08df8fbef08691121d
Author: Andy Wingo <wi...@igalia.com>
AuthorDate: Fri Oct 4 14:00:47 2024 +0200

    Fix bug clearing field set
---
 src/field-set.h | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/src/field-set.h b/src/field-set.h
index 4facab019..ef53f398d 100644
--- a/src/field-set.h
+++ b/src/field-set.h
@@ -148,14 +148,16 @@ gc_field_set_clear(struct gc_field_set *set,
   // wanted to it could re-add an edge to the remembered set.
   set->partly_full.list.head = NULL;
   set->full.head = NULL;
-  struct gc_edge_buffer *buf;
-  for (buf = partly_full; buf; buf = buf->next) {
+  struct gc_edge_buffer *buf, *next;
+  for (buf = partly_full; buf; buf = next) {
+    next = buf->next;
     for (size_t i = 0; i < buf->size; i++)
       forget_edge(buf->edges[i], heap);
     buf->size = 0;
     gc_edge_buffer_list_push(&set->empty, buf);
   }
-  for (buf = full; buf; buf = buf->next) {
+  for (buf = full; buf; buf = next) {
+    next = buf->next;
     for (size_t i = 0; i < buf->size; i++)
       forget_edge(buf->edges[i], heap);
     buf->size = 0;