Description: Since the upgrade to poppler 0.20, pdf2djvu seems to not be able to convert files anymore. It might be linked to  FS#30086 


Additional info:
Packages:
community/pdf2djvu 0.7.12-1 (built with debug infos)
extra/poppler 0.20.0-1

Backtrace:
$ gdb pdf2djvu
GNU gdb (GDB) 7.4.1
Copyright (C) 2012 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law. Type "show copying"
and "show warranty" for details.
This GDB was configured as "i686-pc-linux-gnu".
For bug reporting instructions, please see:
<http://www.gnu.org/software/gdb/bugs/>...
Reading symbols from /usr/bin/pdf2djvu...done.
(gdb) run foo.pdf -o foo.djvu
Starting program: /usr/bin/pdf2djvu foo.pdf -o foo.djvu
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/libthread_db.so.1".
foo.pdf:
- page #1 -> #1

Program received signal SIGSEGV, Segmentation fault.
0xb7d244d6 in XRef::fetch(int, int, Object*, int) () from /usr/lib/libpoppler.so.25
(gdb) bt
#0 0xb7d244d6 in XRef::fetch(int, int, Object*, int) () from /usr/lib/libpoppler.so.25
#1 0xb7d08972 in Object::fetch(XRef*, Object*, int) () from /usr/lib/libpoppler.so.25
#2 0xb7cd5d87 in GfxFont::locateFont(XRef*, bool) () from /usr/lib/libpoppler.so.25
#3 0xb7c84af5 in SplashOutputDev::doUpdateFont(GfxState*) () from /usr/lib/libpoppler.so.25
#4 0xb7c8524c in SplashOutputDev::drawChar(GfxState*, double, double, double, double, double, double, unsigned int, int, unsigned int*, int) () from /usr/lib/libpoppler.so.25
#5 0x0806c997 in MutedRenderer::drawChar (this=0x80dc530, state=0x8100f38, x=<error reading variable: Could not find type for DW_OP_GNU_const_type>,
y=<error reading variable: Could not find type for DW_OP_GNU_const_type>, dx=6.3479999999999999, dy=0, origin_x=0, origin_y=0, code=69, n_bytes=1, unistr=0x80fa08c, length=1)
at pdf2djvu.cc:446
#6 0xb7cd01bb in Gfx::doShowText(GooString*) () from /usr/lib/libpoppler.so.25
#7 0xb7cd0be8 in Gfx::opShowSpaceText(Object*, int) () from /usr/lib/libpoppler.so.25
#8 0xb7cc1b46 in Gfx::execOp(Object*, Object*, int) () from /usr/lib/libpoppler.so.25
#9 0xb7cc8d8f in Gfx::go(bool) () from /usr/lib/libpoppler.so.25
#10 0xb7cc9285 in Gfx::display(Object*, bool) () from /usr/lib/libpoppler.so.25
#11 0xb7d0e063 in Page::displaySlice(OutputDev*, double, double, int, bool, bool, int, int, int, int, bool, bool (*)(void*), void*, bool (*)(Annot*, void*), void*) ()
from /usr/lib/libpoppler.so.25
#12 0xb7d0e228 in Page::display(OutputDev*, double, double, int, bool, bool, bool, bool (*)(void*), void*, bool (*)(Annot*, void*), void*) () from /usr/lib/libpoppler.so.25
#13 0xb7d148a6 in PDFDoc::displayPage(OutputDev*, int, double, double, int, bool, bool, bool, bool (*)(void*), void*, bool (*)(Annot*, void*), void*) ()
from /usr/lib/libpoppler.so.25
#14 0x0805f9ef in pdf::Document::display_page (this=0x80dfb10, renderer=0x80dc530, npage=1, hdpi=300, vdpi=300, crop=true, do_links=true) at pdf-backend.cc:158
#15 0x080656fe in xmain(int, char* const*) [clone ._omp_fn.0] () at pdf2djvu.cc:1421
#16 0x0806989c in xmain (argc=-1073744632, argv=0xbffff520) at pdf2djvu.cc:1373
#17 0x0806a8f3 in main (argc=4, argv=0xbffff8e4) at pdf2djvu.cc:1727


Steps to reproduce:
Simply convert a pdf file to a djvu:
$ pdf2djvu foo.pdf -o foo.djvu
foo.pdf:
- page #1 -> #1
zsh: segmentation fault (core dumped) pdf2djvu foo.pdf -o foo.djvu