lilypond 2.19.20 on fedora gs bug

[alexei]

> I'm not top posting.
% can't compile anything due to gs error
% warning: `(gs -q -dSAFER -dDEVICEWIDTHPOINTS=595.28
-dDEVICEHEIGHTPOINTS=841.89 -dCompatibilityLevel=1.4 -dNOPAUSE -dBATCH
-r1200 -sDEVICE=pdfwrite -sOutputFile=./n.pdf -c.setpdfwrite -fn.ps)' failed
(256)
% gs command itself gives Error: /undefinedresult in --glyphshow--
% generated ps files can't be read by gv or zathura-ps viewers
% it worked normally on fedora 21 and lilypond 2.18.2
\version "2.19.20"
\relative c {a}