commit https://github.com/vim/vim/commit/027387f70c671f62e3e08e0bdd09ec05b0232735 Author: Bram Moolenaar <Bram@vim.org> Date: Sat Jan 2 22:25:52 2016 +0100 patch 7.4.1037 Problem: Using "q!" when there is a modified hidden buffer does not unload the current buffer, resulting in the need to abandon it again. Solution: When using "q!" unload the current buffer when needed. (Yasuhiro Matsumoto, Hirohito Higashi)

--- a/src/gui_gtk_x11.c
+++ b/src/gui_gtk_x11.c
@@ -2003,7 +2003,7 @@ sm_client_check_changed_any(GnomeClient	
      * If there are changed buffers, present the user with
      * a dialog if possible, otherwise give an error message.
      */
-    shutdown_cancelled = check_changed_any(FALSE);
+    shutdown_cancelled = check_changed_any(FALSE, FALSE);
 
     exiting = FALSE;
     cmdmod = save_cmdmod;