(XTframe_up_to_date): Check that mouse_face_mouse_frame

is non-null before calling note_mouse_highlight.
(x_destroy_window): If f equals mouse_face_mouse_frame,
clear that, and clear mouse_face_deferred_gc too.

1 files changed, 6 insertions, 3 deletions

diff --git a/src/xterm.c b/src/xterm.c
index e910de5b281..9d8e40b7de6 100644
--- a/src/xterm.c
+++ b/src/xterm.c
@@ -421,9 +421,10 @@ XTframe_up_to_date (f)
   if (FRAME_X_DISPLAY_INFO (f)->mouse_face_deferred_gc
       || f == FRAME_X_DISPLAY_INFO (f)->mouse_face_mouse_frame)
     {
-      note_mouse_highlight (FRAME_X_DISPLAY_INFO (f)->mouse_face_mouse_frame,
-                            FRAME_X_DISPLAY_INFO (f)->mouse_face_mouse_x,
-                            FRAME_X_DISPLAY_INFO (f)->mouse_face_mouse_y);
+      if (FRAME_X_DISPLAY_INFO (f)->mouse_face_mouse_frame)
+        note_mouse_highlight (FRAME_X_DISPLAY_INFO (f)->mouse_face_mouse_frame,
+                              FRAME_X_DISPLAY_INFO (f)->mouse_face_mouse_x,
+                              FRAME_X_DISPLAY_INFO (f)->mouse_face_mouse_y);
       FRAME_X_DISPLAY_INFO (f)->mouse_face_deferred_gc = 0;
     }
   UNBLOCK_INPUT;
@@ -6114,6 +6115,8 @@ x_destroy_window (f)
       dpyinfo->mouse_face_end_row
         = dpyinfo->mouse_face_end_col = -1;
       dpyinfo->mouse_face_window = Qnil;
+      dpyinfo->mouse_face_deferred_gc = 0;
+      dpyinfo->mouse_face_mouse_frame = 0;
     }
 
   UNBLOCK_INPUT;