StacktraceTop: operator uint16_t (this=0x7f00b88d459f) at /build/buildd/pango1.0-1.29.5/./pango/opentype/hb-open-type-private.hh:373 operator[] (this=0x7f00b88d459f, i=6151) at /build/buildd/pango1.0-1.29.5/./pango/opentype/hb-open-type-private.hh:585 get_lookup (i=6151, this=<optimized out>) at /build/buildd/pango1.0-1.29.5/./pango/opentype/hb-ot-layout-gsubgpos-private.hh:934 get_lookup (i=6151, this=<optimized out>) at /build/buildd/pango1.0-1.29.5/./pango/opentype/hb-ot-layout-gpos-private.hh:1558 position_lookup (mask=65535, lookup_index=6151, buffer=0x1afcff0, context=0x7fffa790bcc0, this=<optimized out>) at /build/buildd/pango1.0-1.29.5/./pango/opentype/hb-ot-layout-gpos-private.hh:1564
StacktraceTop: d459f) at /build/ buildd/ pango1. 0-1.29. 5/./pango/ opentype/ hb-open- type-private. hh:373 d459f, i=6151) at /build/ buildd/ pango1. 0-1.29. 5/./pango/ opentype/ hb-open- type-private. hh:585 buildd/ pango1. 0-1.29. 5/./pango/ opentype/ hb-ot-layout- gsubgpos- private. hh:934 buildd/ pango1. 0-1.29. 5/./pango/ opentype/ hb-ot-layout- gpos-private. hh:1558 0x7fffa790bcc0, this=<optimized out>) at /build/ buildd/ pango1. 0-1.29. 5/./pango/ opentype/ hb-ot-layout- gpos-private. hh:1564
operator uint16_t (this=0x7f00b88
operator[] (this=0x7f00b88
get_lookup (i=6151, this=<optimized out>) at /build/
get_lookup (i=6151, this=<optimized out>) at /build/
position_lookup (mask=65535, lookup_index=6151, buffer=0x1afcff0, context=