emacs-29 42052686752 2/2: Don't mark selection request events

[Po Lu]

branch: emacs-29
commit 42052686752e399e778d33401dd621afbac0071d
Author: Po Lu <luangruo@yahoo.com>
Commit: Po Lu <luangruo@yahoo.com>

    Don't mark selection request events
    
    * src/pgtkterm.c (mark_pgtkterm): Prevent crash by not marking
    selection request events, which don't have Lisp_Object members.
---
 src/pgtkterm.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/src/pgtkterm.c b/src/pgtkterm.c
index c00e13550bd..f4b05ef9903 100644
--- a/src/pgtkterm.c
+++ b/src/pgtkterm.c
@@ -376,6 +376,13 @@ mark_pgtkterm (void)
   for (i = 0; i < n; i++)
     {
       union buffered_input_event *ev = &evq->q[i];
+
+      /* Selection requests don't have Lisp object members.  */
+
+      if (ev->ie.kind == SELECTION_REQUEST_EVENT
+         || ev->ie.kind == SELECTION_CLEAR_EVENT)
+       continue;
+
       mark_object (ev->ie.x);
       mark_object (ev->ie.y);
       mark_object (ev->ie.frame_or_window);