Don't read non-initialized clip region

The clip region is only initialized (and needed) for viewable windows.

diff --git a/gdk/gdkwindow.c b/gdk/gdkwindow.c
index 35416b4d89d1c6cfb18eb409d7d45523449af751..10fc70adb34b5b09c3b692cba78221aab785ca7e 100644 (file)
--- a/gdk/gdkwindow.c
+++ b/gdk/gdkwindow.c
@@ -7269,7 +7269,7 @@ gdk_window_shape_combine_region (GdkWindow       *window,
     gdk_region_destroy (private->shape);
 
   old_region = NULL;
-  if (GDK_WINDOW_IS_MAPPED (window))
+  if (private->viewable)
     old_region = gdk_region_copy (private->clip_region);
 
   if (shape_region)