A certain bytecode bug which might have caused this was fixed just
recently. Could you try `make bootstrap` and see whether the issue still
persists?

On 22-Apr-2017 1:26 PM, "Eli Zaretskii" <eliz@gnu.org> wrote:

> > From: Michael Heerdegen <michael_heerdegen@web.de>
> > Date: Sat, 22 Apr 2017 05:41:22 +0200
> >
> > ps-print.el has become non-functional for me in compiled form since some
> > time (days?  weeks? ... not much longer).  It produces only empty .ps
> > documents.
> >
> > Here is a very simple recipe for emacs -Q (from *scratch*):
> >
> > M-: (require 'ps-print) RET
> >
> > M-: (ps-spool-buffer-with-faces) RET
> >
> > Switch to the buffer *Post Script*.  The created document ends with
> >
> >
> > | BeginDoc
> > | %%EndSetup
> > |
> > | %%Trailer
> > | %%Pages: 0
> > |
> > | EndDoc
> > |
> > | %%EOF
> >
> > If I save the buffer to a .ps file and open it with a viewer, I get a
> > blank page.
> >
> > Now I repeat the recipe with the source file ps-print.el loaded.  I get
> > the expected result this time.  Hmm.
>
> Does the problem go away if you byte-compile ps-print.el with Emacs
> 25?
>