Comment 2 for bug 1207973

StacktraceTop:
 FcCompare (pat=pat@entry=0x2dd6450, fnt=0x7f22ec177068, value=value@entry=0x7fff65291b40, result=result@entry=0x7fff65291d50) at fcmatch.c:414
 FcFontSetMatchInternal (sets=sets@entry=0x7fff65291cd0, nsets=<optimized out>, p=p@entry=0x2dd6450, result=0x7fff65291d50) at fcmatch.c:614
 IA__FcFontMatch (config=0x1415a90, config@entry=0x0, p=p@entry=0x2dd6450, result=result@entry=0x7fff65291d50) at fcmatch.c:709
 pango_fc_patterns_get_font_pattern (i=0, pats=0x2819260) at /build/buildd/pango1.0-1.32.5/./pango/pangofc-fontmap.c:761
 pango_fc_fontset_load_next_font (fontset=0x2818850) at /build/buildd/pango1.0-1.32.5/./pango/pangofc-fontmap.c:845