master de81349bd89 1/2: * lisp/frame.el (handle-move-frame): Fix corner case error

[Stefan Monnier]

branch: master
commit de81349bd898a2c26f9ae15ed967484c7475646f
Author: Stefan Monnier <monnier@iro.umontreal.ca>
Commit: Stefan Monnier <monnier@iro.umontreal.ca>

    * lisp/frame.el (handle-move-frame): Fix corner case error
---
 lisp/frame.el | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/lisp/frame.el b/lisp/frame.el
index d9255a55171..39e8a4c88b8 100644
--- a/lisp/frame.el
+++ b/lisp/frame.el
@@ -239,7 +239,8 @@ that's not the whole story: see 
`after-focus-change-function'."
 This function runs the abnormal hook `move-frame-functions'."
   (interactive "e")
   (let ((frame (posn-window (event-start event))))
-    (run-hook-with-args 'move-frame-functions frame)))
+    (when (frame-live-p frame) ;Experience shows it can die in the meantime.
+      (run-hook-with-args 'move-frame-functions frame))))
 
 ;;;; Arrangement of frames at startup