Subject: 26.0.50; not able to resize frame on OS X

From: "Charles A. Roelli" <[email-masked]>
Date: Mon, 24 Apr 2017 21:11:38 +0200

With a recent build of Emacs, if you try to resize a frame in OS X 10.6 
by dragging the bottom-right corner of the frame, the frame does not 
change size, and stderr says:

bash-3.2$ nextstep/Emacs.app/Contents/MacOS/Emacs -Q
2017-04-24 21:02:46.195 Emacs[45285:903] -[EmacsWindow titleVisibility]: 
unrecognized selector sent to instance 0x101aa1990