(mark_kboards): Don't mark x and y members

that are overloaded in selection request events.

1 files changed, 5 insertions, 2 deletions

diff --git a/src/keyboard.c b/src/keyboard.c
index 9ce832ea42c..b9e455a4431 100644
--- a/src/keyboard.c
+++ b/src/keyboard.c
@@ -11413,8 +11413,11 @@ mark_kboards ()
       {
         if (event == kbd_buffer + KBD_BUFFER_SIZE)
           event = kbd_buffer;
-        mark_object (event->x);
-        mark_object (event->y);
+        if (event->kind != SELECTION_REQUEST_EVENT)
+          {
+            mark_object (event->x);
+            mark_object (event->y);
+          }
         mark_object (event->frame_or_window);
         mark_object (event->arg);
       }