Subject: bug#14085: 24.3.50; regression `C-c C-c' in `report-emacs-bug' no longer closesthereportwindow

From: "Drew Adams" <[email-masked]>
Date: Tue, 14 May 2013 13:42:11 -0700

Yes, byte-compiling message.el fixes the problem.
The problem was in the build.