X-based emacs Sessions Dump Core After 7.3 to 7.4 Upgrade

Issue

• emacs core dumps when executed over an X11 forwarded session

  $ emacs &
  [1] 5955
  $ X protocol error: BadAccess (attempt to access private resource denied) on protocol request 129
  When compiled with GTK, Emacs cannot recover from X disconnects.
  This is a GTK bug: https://bugzilla.gnome.org/show_bug.cgi?id=85715
  For details, see etc/PROBLEMS.
  X protocol error: BadShmSeg (invalid shared segment parameter) on protocol request 129
  When compiled with GTK, Emacs cannot recover from X disconnects.
  This is a GTK bug: https://bugzilla.gnome.org/show_bug.cgi?id=85715
  For details, see etc/PROBLEMS.
  
  Backtrace:
  emacs[0x4f98c3]
  emacs[0x4deef1]
  emacs[0x4f9903]
  emacs[0x4b339b]
  emacs[0x4b560c]
  emacs[0x4b566d]
  /lib64/libX11.so.6(_XError+0x12b)[0x7f2a6055307b]
  /lib64/libX11.so.6(+0x420d7)[0x7f2a605500d7]
  /lib64/libX11.so.6(+0x42195)[0x7f2a60550195]
  /lib64/libX11.so.6(_XEventsQueued+0x55)[0x7f2a60550aa5]
  /lib64/libX11.so.6(XPending+0x4d)[0x7f2a605425dd]
  ...
  
  [1]+  Aborted                 (core dumped) emacs