Fix bug #12025 with a crash when displaying tooltips.

 src/print.c (print_object): Don't crash when a frame's name is nil
 or invalid.
 src/window.c (decode_any_window): Disable CHECK_LIVE_FRAME test, as
 it signals an error when a tooltip frame is being created.

1 files changed, 2 insertions, 1 deletions

diff --git a/src/window.c b/src/window.c
index b7b6e283cc1..e80462ae945 100644
--- a/src/window.c
+++ b/src/window.c
@@ -151,7 +151,8 @@ decode_any_window (register Lisp_Object window)
 
   CHECK_WINDOW (window);
   w = XWINDOW (window);
-  CHECK_LIVE_FRAME (w->frame);
+  /* The following test throws up every time a tooltip frame is displayed.  */
+  /* CHECK_LIVE_FRAME (w->frame); */
   return w;
 }