#0  0x00007f98f3a2ce51 in operator() (base=0x7f98f742cbac, this=<synthetic pointer>) at /build/buildd/pango1.0-1.29.4/./pango/opentype/hb-open-type-private.hh:456
        offset = 2027632508
#1  operator+<const RecordListOf<Script>*, USHORT, Script> (offset=<optimized out>, base=<optimized out>) at /build/buildd/pango1.0-1.29.4/./pango/opentype/hb-open-type-private.hh:483
No locals.
#2  operator[] (this=0x7f98f742cbac, i=0) at /build/buildd/pango1.0-1.29.4/./pango/opentype/hb-ot-layout-common-private.hh:109
No locals.
#3  get_script (i=0, this=<optimized out>) at /build/buildd/pango1.0-1.29.4/./pango/opentype/hb-ot-layout-gsubgpos-private.hh:915
No locals.
#4  hb_ot_layout_language_get_feature_indexes (face=<optimized out>, table_tag=<optimized out>, script_index=0, language_index=2027632508, feature_count=0x7fff78db27d0, feature_indexes=0x0) at /build/buildd/pango1.0-1.29.4/./pango/opentype/hb-ot-layout.cc:446
        g = <optimized out>
#5  0x0000000000000000 in ?? ()
No symbol table info available.