--enable-font-backend bug (was: Re: 23.0.60; emacs segfaults when creating X display via emacsclient)

[Dan Nicolaescu]

Lawrence Mitchell <address@hidden> writes:

  > Please describe exactly what actions triggered the bug
  > and the precise symptoms of the bug:
  > 
  > The following sequence of events causes Emacs to segfault
  > somewhere in x-create-frame.
  > 
  > Run emacs in a terminal
  > 
  > 1) emacs -nw -Q --eval '(server-start)'
  > 
  > Create an X frame.
  > 2) emacsclient -c -d :0.0
  > 
  > Delete the frame
  > 3) C-x 5 0
  > 
  > Try and create another X frame.
  > 4) emacsclient -c -d :0.0
  > 
  > leading to the following backtrace:

I don't get a segfault, but emacs and emacsclient hang.

It only happens when configuring with --enable-font-backend, it works
fine without that flag.