Happens when compiled with -std=c++2a, the fix just makes the captures explicit to resolve the issue. Just adding this in addition to = doesn't work in C++11.
src/hb-ot-layout-gpos-table.hh:737:18: warning: implicit capture of 'this' with a capture default of '=' is deprecated [-Wdeprecated-this-capture]
{ return (this+_).intersects (glyphs, valueFormat); })
^
src/hb-ot-layout-gpos-table.hh:736:16: note: add an explicit capture of 'this' to capture '*this' by reference
| hb_map ([=] (const OffsetTo<PairSet> &_)
^
, this
+ hb_zip (this+coverage, pairSet)
| hb_filter (*glyphs, hb_first)
| hb_map (hb_second)
- | hb_map ([=] (const OffsetTo<PairSet> &_)
+ | hb_map ([glyphs, this] (const OffsetTo<PairSet> &_)
{ return (this+_).intersects (glyphs, valueFormat); })
| hb_any
;