#0  0x00007fa38d92b1b5 in raise () from /lib/libc.so.6
#1  0x00007fa38d92c5e0 in abort () from /lib/libc.so.6
#2  0x00007fa38d9242d1 in __assert_fail () from /lib/libc.so.6
#3  0x00007fa38deec33f in cairo_cff_font_get_sid_for_winansi_char (font=0xaa0150, ch=128) at cairo-cff-subset.c:1549
#4  0x00007fa38deec408 in cairo_cff_font_write_type1_charset (font=0xaa0150) at cairo-cff-subset.c:1578
#5  0x00007fa38deeccd4 in cairo_cff_font_write_subset (font=0xaa0150) at cairo-cff-subset.c:1829
#6  0x00007fa38deee79e in cairo_cff_font_fallback_generate (font=0xaa0150, type2_subset=0x7ffff5ec4790, 
    data=0x7ffff5ec47e8, length=0x7ffff5ec47e0) at cairo-cff-subset.c:2520
#7  0x00007fa38deee8a2 in _cairo_cff_fallback_init (cff_subset=0x7ffff5ec4870, subset_name=0x7ffff5ec4830 "CairoFont-0-0", 
    font_subset=0x7ffff5ec4920) at cairo-cff-subset.c:2550
#8  0x00007fa38df21a93 in _cairo_pdf_surface_emit_cff_fallback_font (surface=0xa6d130, font_subset=0x7ffff5ec4920)
    at cairo-pdf-surface.c:4166
#9  0x00007fa38df234d6 in _cairo_pdf_surface_emit_unscaled_font_subset (font_subset=0x7ffff5ec4920, closure=0xa6d130)
    at cairo-pdf-surface.c:4858
#10 0x00007fa38deefeeb in _cairo_sub_font_collect (entry=0xa890e0, closure=0x7ffff5ec49b0)
    at cairo-scaled-font-subsets.c:728
#11 0x00007fa38def09ce in _cairo_scaled_font_subsets_foreach_internal (font_subsets=0xa6eaf0, 
    font_subset_callback=0x7fa38df23442 <_cairo_pdf_surface_emit_unscaled_font_subset>, closure=0xa6d130, 
    type=CAIRO_SUBSETS_FOREACH_UNSCALED) at cairo-scaled-font-subsets.c:1056
#12 0x00007fa38def0a7f in _cairo_scaled_font_subsets_foreach_unscaled (font_subsets=0xa6eaf0, 
    font_subset_callback=0x7fa38df23442 <_cairo_pdf_surface_emit_unscaled_font_subset>, closure=0xa6d130)
    at cairo-scaled-font-subsets.c:1084
#13 0x00007fa38df235cf in _cairo_pdf_surface_emit_font_subsets (surface=0xa6d130) at cairo-pdf-surface.c:4896
#14 0x00007fa38df1c2d0 in _cairo_pdf_surface_finish (abstract_surface=0xa6d130) at cairo-pdf-surface.c:1682
#15 0x00007fa38ded4dfc in *INT_cairo_surface_finish (surface=0xa6d130) at cairo-surface.c:725
#16 0x00007fa38deb1868 in _cairo_paginated_surface_finish (abstract_surface=0xa6ee90) at cairo-paginated-surface.c:201
#17 0x00007fa38ded4dfc in *INT_cairo_surface_finish (surface=0xa6ee90) at cairo-surface.c:725
#18 0x0000000000400bfc in main ()