../src/hb-iter.hh:677:3: warning: mangled name for 'hb_apply_t<Appl>::hb_apply_t(Appl) [with Appl = void (&)(void*) throw ()]' will change in C++17 because the exception specification is part of a function type [-Wnoexcept-type]
../src/hb-iter.hh:681:8: warning: mangled name for 'void hb_apply_t<Appl>::operator()(Iter) [with Iter = hb_array_t<hb_pool_t<hb_serialize_context_t::object_t>::chunk_t* const>; typename hb_enable_if<hb_is_iterator_of<Iter, typename Iter::item_t>::value>::type* <anonymous> = 0; Appl = void (&)(void*) throw ()]' will change in C++17 because the exception specification is part of a function type [-Wnoexcept-type]
   void operator () (Iter it)
        ^~~~~~~~
../src/hb-iter.hh:677:3: warning: mangled name for 'hb_apply_t<Appl>::hb_apply_t(Appl) [with Appl = void (&)(void*) throw ()]' will change in C++17 because the exception specification is part of a function type [-Wnoexcept-type]
   hb_apply_t (Appl a) : a (a) {}
   ^~~~~~~~~~
In file included from ../src/OT/Layout/GSUB/GSUB.hh:4:0,
                 from ../src/hb-ot-layout-gsub-table.hh:32,
                 from ../src/hb-subset.cc:52:
../src/OT/Layout/GSUB/../../../hb-ot-layout-gsubgpos.hh: In function 'unsigned int OT::serialize_lookuprecord_array(hb_serialize_context_t*, hb_array_t<const OT::LookupRecord>, const hb_map_t*)':
../src/OT/Layout/GSUB/../../../hb-ot-layout-gsubgpos.hh:1591:32: warning: missed loop optimization, the loop counter may overflow [-Wunsafe-loop-optimizations]
   for (const LookupRecord& r : lookupRecords)
                                ^~~~~~~~~~~~~
In file included from ../src/hb-subset.hh:36:0,
                 from ../src/hb-open-type.hh:37,
                 from ../src/hb-subset.cc:28:
../src/hb-serialize.hh: In member function 'void hb_serialize_context_t::resolve_links()':
../src/hb-serialize.hh:581:51: warning: missed loop optimization, the loop counter may overflow [-Wunsafe-loop-optimizations]
       for (const object_t::link_t &link : parent->real_links)
                                                   ^~~~~~~~~~
../src/hb-serialize.hh:580:52: warning: missed loop optimization, the loop counter may overflow [-Wunsafe-loop-optimizations]
     for (const object_t* parent : ++hb_iter (packed))
                                                    ^
In file included from ../src/OT/Layout/Common/Coverage.hh:33:0,
                 from ../src/hb-ot-layout-common.hh:38,
                 from ../src/hb-ot-var-common.hh:29,
                 from ../src/hb-ot-var-mvar-table.hh:30,
                 from ../src/hb-ot-os2-table.hh:33,
                 from ../src/hb-ot-cmap-table.hh:30,
                 from ../src/hb-subset.cc:33:
../src/OT/Layout/Common/CoverageFormat1.hh: In member function 'bool OT::Layout::Common::Coverage::intersects(const hb_set_t*) const':
../src/OT/Layout/Common/CoverageFormat1.hh:88:5: warning: missed loop optimization, the loop counter may overflow [-Wunsafe-loop-optimizations]
     for (const auto& g : glyphArray.as_array ())
     ^~~
In file included from ../src/hb-ot-var-common.hh:29:0,
                 from ../src/hb-ot-var-mvar-table.hh:30,
                 from ../src/hb-ot-os2-table.hh:33,
                 from ../src/hb-ot-cmap-table.hh:30,
                 from ../src/hb-subset.cc:33:
../src/hb-ot-layout-common.hh: In member function 'bool OT::ClassDef::intersects_class(const hb_set_t*, unsigned int) const':
../src/hb-ot-layout-common.hh:1972:5: warning: missed loop optimization, the loop counter may overflow [-Wunsafe-loop-optimizations]
     for (const auto &range : rangeRecord)
     ^~~
../src/hb-ot-layout-common.hh:1953:7: warning: missed loop optimization, the loop counter may overflow [-Wunsafe-loop-optimizations]
       for (auto &range : it)
       ^~~
../src/hb-ot-layout-common.hh: In member function 'void OT::ClassDef::intersected_classes(const hb_set_t*, hb_set_t*) const':
../src/hb-ot-layout-common.hh:2031:5: warning: missed loop optimization, the loop counter may overflow [-Wunsafe-loop-optimizations]
     for (auto &range : rangeRecord)
     ^~~
In file included from ../src/hb-ot-var-mvar-table.hh:30:0,
                 from ../src/hb-ot-os2-table.hh:33,
                 from ../src/hb-ot-cmap-table.hh:30,
                 from ../src/hb-subset.cc:33:
../src/hb-ot-var-common.hh: In member function 'bool OT::TupleVariationData::tuple_variations_t::serialize_var_data(hb_serialize_context_t*, bool) const':
../src/hb-ot-var-common.hh:1650:31: warning: missed loop optimization, the loop counter may overflow [-Wunsafe-loop-optimizations]
       for (const auto& tuple: tuple_vars)
                               ^~~~~~~~~~
../src/hb-ot-var-common.hh: In member function 'bool OT::TupleVariationData::serialize(hb_serialize_context_t*, bool, const OT::TupleVariationData::tuple_variations_t&) const':
../src/hb-ot-var-common.hh:1632:31: warning: missed loop optimization, the loop counter may overflow [-Wunsafe-loop-optimizations]
       for (const auto& tuple: tuple_vars)
                               ^~~~~~~~~~
In file included from ../src/OT/glyf/Glyph.hh:8:0,
                 from ../src/OT/glyf/glyf.hh:13,
                 from ../src/hb-ot-glyf-table.hh:33,
                 from ../src/hb-subset.cc:34:
../src/OT/glyf/SimpleGlyph.hh: In member function 'bool OT::glyf_impl::SimpleGlyph::get_contour_points(contour_point_vector_t&, bool) const':
../src/OT/glyf/SimpleGlyph.hh:157:24: warning: missed loop optimization, the loop counter may overflow [-Wunsafe-loop-optimizations]
     for (auto &point : points_)
                        ^~~~~~~
../src/OT/glyf/SimpleGlyph.hh:157:24: warning: missed loop optimization, the loop counter may overflow [-Wunsafe-loop-optimizations]
     for (auto &point : points_)
                        ^~~~~~~
In file included from ../src/OT/Layout/Common/Coverage.hh:34:0,
                 from ../src/hb-ot-layout-common.hh:38,
                 from ../src/hb-ot-var-common.hh:29,
                 from ../src/hb-ot-var-mvar-table.hh:30,
                 from ../src/hb-ot-os2-table.hh:33,
                 from ../src/hb-ot-cmap-table.hh:30,
                 from ../src/hb-subset.cc:33:
../src/OT/Layout/Common/CoverageFormat2.hh: In member function 'void OT::Layout::Common::Coverage::intersect_set(const hb_set_t&, IterableOut&&) const [with IterableOut = hb_set_t&; typename hb_enable_if<hb_is_sink_of<IterableOut, unsigned int>::value, void>::type* <anonymous> = 0]':
../src/OT/Layout/Common/CoverageFormat2.hh:149:5: warning: missed loop optimization, the loop counter may overflow [-Wunsafe-loop-optimizations]
     for (const auto& range : rangeRecord)
     ^~~
In file included from ../src/hb-subset.cc:54:0:
../src/hb-ot-var-avar-table.hh: In member function 'bool OT::SegmentMaps::subset(hb_subset_context_t*, hb_tag_t) const':
../src/hb-ot-var-avar-table.hh:248:26: warning: missed loop optimization, the loop counter may overflow [-Wunsafe-loop-optimizations]
     for (const auto& _ : value_mappings)
                          ^~~~~~~~~~~~~~
In file included from ../src/OT/glyf/../../hb-ot-hmtx-table.hh:33:0,
                 from ../src/OT/glyf/glyf.hh:7,
                 from ../src/hb-ot-glyf-table.hh:33,
                 from ../src/hb-subset.cc:34:
../src/OT/glyf/../../hb-ot-var-hvar-table.hh: In member function 'void OT::index_map_subset_plan_t::init(const OT::DeltaSetIndexMap&, hb_inc_bimap_t&, hb_vector_t<hb_set_t*>&, const hb_subset_plan_t*, bool)':
../src/OT/glyf/../../hb-ot-var-hvar-table.hh:89:25: warning: missed loop optimization, the loop counter may overflow [-Wunsafe-loop-optimizations]
     for (auto _ : plan->new_to_old_gid_list)
                         ^~~~~~~~~~~~~~~~~~~
In file included from ../src/hb-ot-var-common.hh:29:0,
                 from ../src/hb-ot-var-mvar-table.hh:30,
                 from ../src/hb-ot-os2-table.hh:33,
                 from ../src/hb-ot-cmap-table.hh:30,
                 from ../src/hb-subset.cc:33:
../src/hb-ot-layout-common.hh: In member function 'bool OT::VarData::serialize(hb_serialize_context_t*, const OT::VarData*, const hb_inc_bimap_t&, const hb_inc_bimap_t&)':
../src/hb-ot-layout-common.hh:2887:46: warning: missed loop optimization, the loop counter may overflow [-Wunsafe-loop-optimizations]
       for (unsigned old_gid : inner_map.keys())
                                              ^
../src/hb-ot-layout-common.hh:2868:48: warning: missed loop optimization, the loop counter may overflow [-Wunsafe-loop-optimizations]
         for (unsigned old_gid : inner_map.keys())
                                                ^
In file included from ../src/OT/glyf/glyf.hh:8:0,
                 from ../src/hb-ot-glyf-table.hh:33,
                 from ../src/hb-subset.cc:34:
../src/OT/glyf/../../hb-ot-var-gvar-table.hh: In member function 'bool OT::glyph_variations_t::create_from_glyphs_var_data(unsigned int, hb_array_t<const OT::HBFixed<OT::IntType<short int>, 14> >, const hb_subset_plan_t*, const hb_hashmap_t<unsigned int, hb_array_t<const char> >&)':
../src/OT/glyf/../../hb-ot-var-gvar-table.hh:79:20: warning: missed loop optimization, the loop counter may overflow [-Wunsafe-loop-optimizations]
     for (auto &_ : it)
                    ^~
In file included from ../src/hb-ot-var-mvar-table.hh:30:0,
                 from ../src/hb-ot-os2-table.hh:33,
                 from ../src/hb-ot-cmap-table.hh:30,
                 from ../src/hb-subset.cc:33:
../src/hb-ot-var-common.hh: In member function 'bool OT::TupleVariationData::tuple_variations_t::change_tuple_variations_axis_limits(const hb_hashmap_t<unsigned int, Triple>&, const hb_hashmap_t<unsigned int, TripleDistances>&)':
../src/hb-ot-var-common.hh:1433:41: warning: missed loop optimization, the loop counter may overflow [-Wunsafe-loop-optimizations]
         for (const tuple_delta_t& var : tuple_vars)
                                         ^~~~~~~~~~
../src/hb-ot-var-common.hh:1423:28: warning: missed loop optimization, the loop counter may overflow [-Wunsafe-loop-optimizations]
       for (auto axis_tag : axis_tags)
                            ^~~~~~~~~
In file included from ../src/OT/glyf/../../hb-ot-hmtx-table.hh:33:0,
                 from ../src/OT/glyf/glyf.hh:7,
                 from ../src/hb-ot-glyf-table.hh:33,
                 from ../src/hb-subset.cc:34:
../src/OT/glyf/../../hb-ot-var-hvar-table.hh: In member function 'void OT::hvarvvar_subset_plan_t::init(const hb_array_t<const OT::DeltaSetIndexMap*>&, const OT::ItemVariationStore&, const hb_subset_plan_t*)':
../src/OT/glyf/../../hb-ot-var-hvar-table.hh:124:32: warning: missed loop optimization, the loop counter may overflow [-Wunsafe-loop-optimizations]
     for (const auto &_ : plan->new_to_old_gid_list)
                                ^~~~~~~~~~~~~~~~~~~
In file included from ../src/hb-subset.cc:42:0:
../src/OT/Color/CPAL/CPAL.hh: In member function 'bool OT::CPAL::subset(hb_subset_context_t*) const':
../src/OT/Color/CPAL/CPAL.hh:253:39: warning: missed loop optimization, the loop counter may overflow [-Wunsafe-loop-optimizations]
     for (unsigned first_color_index : first_color_index_for_layer)
                                       ^~~~~~~~~~~~~~~~~~~~~~~~~~~
../src/OT/Color/CPAL/CPAL.hh:243:27: warning: missed loop optimization, the loop counter may overflow [-Wunsafe-loop-optimizations]
     for (const auto idx : color_record_indices)
                           ^~~~~~~~~~~~~~~~~~~~
In file included from ../src/hb-subset.cc:40:0:
../src/OT/Color/CBDT/CBDT.hh: In member function 'bool OT::CBLC::subset(hb_subset_context_t*) const':
../src/OT/Color/CBDT/CBDT.hh:1016:58: warning: missed loop optimization, the loop counter may overflow [-Wunsafe-loop-optimizations]
   for (const BitmapSizeTable& table : + sizeTables.iter ())
                                                          ^
In file included from ../src/hb-repacker.hh:35:0,
                 from ../src/hb-subset.cc:62:
../src/graph/serialize.hh: In function 'hb_blob_t* graph::serialize(const graph::graph_t&)':
../src/graph/serialize.hh:253:45: warning: missed loop optimization, the loop counter may overflow [-Wunsafe-loop-optimizations]
     for (const auto& link : vertices[i].obj.real_links)
                                             ^~~~~~~~~~
In file included from ../src/hb-ot-var-common.hh:29:0,
                 from ../src/hb-ot-var-mvar-table.hh:30,
                 from ../src/hb-ot-os2-table.hh:33,
                 from ../src/hb-ot-cmap-table.hh:30,
                 from ../src/hb-subset.cc:33:
../src/hb-ot-layout-common.hh: In member function 'bool OT::FeatureVariations::subset(hb_subset_context_t*, OT::hb_subset_layout_context_t*) const':
../src/hb-ot-layout-common.hh:3679:57: warning: missed loop optimization, the loop counter may overflow [-Wunsafe-loop-optimizations]
     for (const FeatureTableSubstitutionRecord& record : substitutions)
                                                         ^~~~~~~~~~~~~
../src/hb-ot-layout-common.hh: In member function 'bool OT::ItemVariationStore::serialize(hb_serialize_context_t*, const OT::ItemVariationStore*, const hb_array_t<const hb_inc_bimap_t>&)':
../src/hb-ot-layout-common.hh:2950:52: warning: missed loop optimization, the loop counter may overflow [-Wunsafe-loop-optimizations]
       for (hb_codepoint_t old_gid : inner_map.keys())
                                                    ^
In file included from ../src/hb-ot-var-mvar-table.hh:30:0,
                 from ../src/hb-ot-os2-table.hh:33,
                 from ../src/hb-ot-cmap-table.hh:30,
                 from ../src/hb-subset.cc:33:
../src/hb-ot-var-common.hh: In member function 'bool OT::TupleVariationData::tuple_variations_t::compile_all_point_sets()':
../src/hb-ot-var-common.hh:1495:31: warning: missed loop optimization, the loop counter may overflow [-Wunsafe-loop-optimizations]
       for (const auto& tuple: tuple_vars)
                               ^~~~~~~~~~
../src/hb-ot-var-common.hh: In member function 'bool OT::TupleVariationData::tuple_variations_t::compile_bytes(const hb_map_t&, const hb_map_t&, bool, const hb_hashmap_t<const hb_vector_t<char>*, unsigned int>*)':
../src/hb-ot-var-common.hh:1605:25: warning: missed loop optimization, the loop counter may overflow [-Wunsafe-loop-optimizations]
       for (auto& tuple: tuple_vars)
                         ^~~~~~~~~~
In file included from ../src/OT/glyf/glyf.hh:8:0,
                 from ../src/hb-ot-glyf-table.hh:33,
                 from ../src/hb-subset.cc:34:
../src/OT/glyf/../../hb-ot-var-gvar-table.hh: In member function 'bool OT::glyph_variations_t::compile_shared_tuples(const hb_map_t&, const hb_map_t&)':
../src/OT/glyf/../../hb-ot-var-gvar-table.hh:162:38: warning: missed loop optimization, the loop counter may overflow [-Wunsafe-loop-optimizations]
       for (tuple_delta_t& var : vars.tuple_vars)
                                      ^~~~~~~~~~
../src/OT/glyf/../../hb-ot-var-gvar-table.hh:160:36: warning: missed loop optimization, the loop counter may overflow [-Wunsafe-loop-optimizations]
     for (tuple_variations_t& vars: glyph_variations)
                                    ^~~~~~~~~~~~~~~~
In file included from ../src/hb-repacker.hh:35:0,
                 from ../src/hb-subset.cc:62:
../src/graph/serialize.hh: In function 'bool graph::will_overflow(graph::graph_t&, hb_vector_t<graph::overflow_record_t>*)':
../src/graph/serialize.hh:119:61: warning: missed loop optimization, the loop counter may overflow [-Wunsafe-loop-optimizations]
     for (const auto& link : vertices.arrayZ[parent_idx].obj.real_links)
                                                             ^~~~~~~~~~
In file included from ../src/hb-repacker.hh:33:0,
                 from ../src/hb-subset.cc:62:
../src/graph/graph.hh: In function 'hb_blob_t* _repack(hb_tag_t, const hb_serialize_context_t&)':
../src/graph/graph.hh:72:32: warning: missed loop optimization, the loop counter may overflow [-Wunsafe-loop-optimizations]
       for (const auto& l : obj.real_links)
                                ^~~~~~~~~~
In file included from ../src/hb-subset.hh:36:0,
                 from ../src/hb-open-type.hh:37,
                 from ../src/hb-subset.cc:28:
../src/hb-serialize.hh: In function 'bool _try_subset(const TableType*, hb_vector_t<char>*, hb_subset_context_t*) [with TableType = OT::name]':
../src/hb-serialize.hh:730:5: warning: missed loop optimization, the loop counter may overflow [-Wunsafe-loop-optimizations]
   { for (decltype (*it) _ : it) copy (_, std::forward<Ts> (ds)...); }
     ^~~
In file included from ../src/hb-ot-glyf-table.hh:33:0,
                 from ../src/hb-subset.cc:34:
../src/OT/glyf/glyf.hh: In member function 'bool OT::glyf::_populate_subset_glyphs(const hb_subset_plan_t*, hb_font_t*, hb_vector_t<OT::glyf_impl::SubsetGlyph>&) const':
../src/OT/glyf/glyf.hh:435:33: warning: missed loop optimization, the loop counter may overflow [-Wunsafe-loop-optimizations]
   for (const auto &pair : plan->new_to_old_gid_list)
                                 ^~~~~~~~~~~~~~~~~~~
In file included from ../src/hb-ot-glyf-table.hh:33:0,
                 from ../src/hb-subset.cc:34:
../src/OT/glyf/glyf.hh: In member function 'bool OT::glyf::subset(hb_subset_context_t*) const':
../src/OT/glyf/glyf.hh:57:5: warning: missed loop optimization, the loop counter may overflow [-Wunsafe-loop-optimizations]
     for (auto &_ : it)
     ^~~
In file included from ../src/hb-subset.cc:51:0:
../src/hb-ot-layout-base-table.hh: In member function 'bool OT::MinMax::subset(hb_subset_context_t*) const':
../src/hb-ot-layout-base-table.hh:309:38: warning: missed loop optimization, the loop counter may overflow [-Wunsafe-loop-optimizations]
     for (const FeatMinMaxRecord& _ : featMinMaxRecords)
                                      ^~~~~~~~~~~~~~~~~
../src/hb-ot-layout-base-table.hh: In function 'bool OT::OffsetTo<Type, OffsetType, BaseType, has_null>::serialize_subset(hb_subset_context_t*, const OT::OffsetTo<Type, OffsetType, BaseType, has_null>&, const Base*, Ts&& ...) [with Base = OT::BASE; Ts = {}; Type = OT::Axis; OffsetType = OT::IntType<short unsigned int>; BaseType = void; bool has_null = true]':
../src/hb-ot-layout-base-table.hh:472:26: warning: missed loop optimization, the loop counter may overflow [-Wunsafe-loop-optimizations]
     for (const auto& _ : baseLangSysRecords)
                          ^~~~~~~~~~~~~~~~~~
../src/hb-ot-layout-base-table.hh:369:26: warning: missed loop optimization, the loop counter may overflow [-Wunsafe-loop-optimizations]
     for (const auto& _ : baseCoords)
                          ^~~~~~~~~~
../src/hb-ot-layout-base-table.hh:576:38: warning: missed loop optimization, the loop counter may overflow [-Wunsafe-loop-optimizations]
     for (const BaseScriptRecord& _ : baseScriptRecords)
                                      ^~~~~~~~~~~~~~~~~
In file included from ../src/OT/Layout/GSUB/GSUB.hh:4:0,
                 from ../src/hb-ot-layout-gsub-table.hh:32,
                 from ../src/hb-subset.cc:52:
../src/OT/Layout/GSUB/../../../hb-ot-layout-gsubgpos.hh: In member function 'bool OT::ContextFormat1_4<Types>::intersects(const hb_set_t*) const [with Types = OT::Layout::SmallTypes]':
../src/OT/Layout/GSUB/../../../hb-ot-layout-gsubgpos.hh:1138:3: warning: missed loop optimization, the loop counter may overflow [-Wunsafe-loop-optimizations]
   for (const auto &_ : + hb_iter (values, count))
   ^~~
../src/OT/Layout/GSUB/../../../hb-ot-layout-gsubgpos.hh: In member function 'bool OT::ContextFormat2_5<Types>::intersects(const hb_set_t*) const [with Types = OT::Layout::SmallTypes]':
../src/OT/Layout/GSUB/../../../hb-ot-layout-gsubgpos.hh:1138:3: warning: missed loop optimization, the loop counter may overflow [-Wunsafe-loop-optimizations]
   for (const auto &_ : + hb_iter (values, count))
   ^~~
In file included from ../src/hb-ot-var-common.hh:29:0,
                 from ../src/hb-ot-var-mvar-table.hh:30,
                 from ../src/hb-ot-os2-table.hh:33,
                 from ../src/hb-ot-cmap-table.hh:30,
                 from ../src/hb-subset.cc:33:
../src/hb-ot-layout-common.hh:1972:5: warning: missed loop optimization, the loop counter may overflow [-Wunsafe-loop-optimizations]
     for (const auto &range : rangeRecord)
     ^~~
../src/hb-ot-layout-common.hh:1953:7: warning: missed loop optimization, the loop counter may overflow [-Wunsafe-loop-optimizations]
       for (auto &range : it)
       ^~~
In file included from ../src/OT/Layout/GSUB/GSUB.hh:4:0,
                 from ../src/hb-ot-layout-gsub-table.hh:32,
                 from ../src/hb-subset.cc:52:
../src/OT/Layout/GSUB/../../../hb-ot-layout-gsubgpos.hh: In member function 'typename context_t::return_t OT::Context::dispatch(context_t*, Ts&& ...) const [with context_t = OT::hb_intersects_context_t; Ts = {}]':
../src/OT/Layout/GSUB/../../../hb-ot-layout-gsubgpos.hh:1138:3: warning: missed loop optimization, the loop counter may overflow [-Wunsafe-loop-optimizations]
   for (const auto &_ : + hb_iter (values, count))
   ^~~
../src/OT/Layout/GSUB/../../../hb-ot-layout-gsubgpos.hh: In member function 'bool OT::ChainContextFormat1_4<Types>::intersects(const hb_set_t*) const [with Types = OT::Layout::SmallTypes]':
../src/OT/Layout/GSUB/../../../hb-ot-layout-gsubgpos.hh:1138:3: warning: missed loop optimization, the loop counter may overflow [-Wunsafe-loop-optimizations]
   for (const auto &_ : + hb_iter (values, count))
   ^~~
../src/OT/Layout/GSUB/../../../hb-ot-layout-gsubgpos.hh:1138:3: warning: missed loop optimization, the loop counter may overflow [-Wunsafe-loop-optimizations]
   for (const auto &_ : + hb_iter (values, count))
   ^~~
../src/OT/Layout/GSUB/../../../hb-ot-layout-gsubgpos.hh:1138:3: warning: missed loop optimization, the loop counter may overflow [-Wunsafe-loop-optimizations]
   for (const auto &_ : + hb_iter (values, count))
   ^~~
../src/OT/Layout/GSUB/../../../hb-ot-layout-gsubgpos.hh: In member function 'bool OT::ChainContextFormat2_5<Types>::intersects(const hb_set_t*) const [with Types = OT::Layout::SmallTypes]':
../src/OT/Layout/GSUB/../../../hb-ot-layout-gsubgpos.hh:1138:3: warning: missed loop optimization, the loop counter may overflow [-Wunsafe-loop-optimizations]
   for (const auto &_ : + hb_iter (values, count))
   ^~~
../src/OT/Layout/GSUB/../../../hb-ot-layout-gsubgpos.hh:1138:3: warning: missed loop optimization, the loop counter may overflow [-Wunsafe-loop-optimizations]
   for (const auto &_ : + hb_iter (values, count))
   ^~~
../src/OT/Layout/GSUB/../../../hb-ot-layout-gsubgpos.hh:1138:3: warning: missed loop optimization, the loop counter may overflow [-Wunsafe-loop-optimizations]
   for (const auto &_ : + hb_iter (values, count))
   ^~~
In file included from ../src/hb-ot-var-common.hh:29:0,
                 from ../src/hb-ot-var-mvar-table.hh:30,
                 from ../src/hb-ot-os2-table.hh:33,
                 from ../src/hb-ot-cmap-table.hh:30,
                 from ../src/hb-subset.cc:33:
../src/hb-ot-layout-common.hh:1972:5: warning: missed loop optimization, the loop counter may overflow [-Wunsafe-loop-optimizations]
     for (const auto &range : rangeRecord)
     ^~~
../src/hb-ot-layout-common.hh:1953:7: warning: missed loop optimization, the loop counter may overflow [-Wunsafe-loop-optimizations]
       for (auto &range : it)
       ^~~
In file included from ../src/OT/Layout/GSUB/GSUB.hh:4:0,
                 from ../src/hb-ot-layout-gsub-table.hh:32,
                 from ../src/hb-subset.cc:52:
../src/OT/Layout/GSUB/../../../hb-ot-layout-gsubgpos.hh: In member function 'typename context_t::return_t OT::ChainContext::dispatch(context_t*, Ts&& ...) const [with context_t = OT::hb_intersects_context_t; Ts = {}]':
../src/OT/Layout/GSUB/../../../hb-ot-layout-gsubgpos.hh:1138:3: warning: missed loop optimization, the loop counter may overflow [-Wunsafe-loop-optimizations]
   for (const auto &_ : + hb_iter (values, count))
   ^~~
../src/OT/Layout/GSUB/../../../hb-ot-layout-gsubgpos.hh:1138:3: warning: missed loop optimization, the loop counter may overflow [-Wunsafe-loop-optimizations]
   for (const auto &_ : + hb_iter (values, count))
   ^~~
../src/OT/Layout/GSUB/../../../hb-ot-layout-gsubgpos.hh:1138:3: warning: missed loop optimization, the loop counter may overflow [-Wunsafe-loop-optimizations]
   for (const auto &_ : + hb_iter (values, count))
   ^~~
In file included from ../src/hb-subset.cc:60:0:
../src/hb-ot-math-table.hh: In member function 'bool OT::MathVariants::subset(hb_subset_context_t*) const':
../src/hb-ot-math-table.hh:824:60: warning: missed loop optimization, the loop counter may overflow [-Wunsafe-loop-optimizations]
     for (const auto& record : mathGlyphVariantRecord.iter ())
                                                            ^
../src/hb-ot-math-table.hh:757:49: warning: missed loop optimization, the loop counter may overflow [-Wunsafe-loop-optimizations]
     for (const auto& record : partRecords.iter ())
                                                 ^
In file included from ../src/OT/Layout/GSUB/../../../hb-ot-layout-gdef-table.hh:32:0,
                 from ../src/OT/Layout/GSUB/../../../hb-ot-layout-gsubgpos.hh:38,
                 from ../src/OT/Layout/GSUB/GSUB.hh:4,
                 from ../src/hb-ot-layout-gsub-table.hh:32,
                 from ../src/hb-subset.cc:52:
../src/OT/Layout/GSUB/../../../OT/Layout/GDEF/GDEF.hh: In member function 'bool OT::MarkGlyphSetsFormat1::subset(hb_subset_context_t*) const':
../src/OT/Layout/GSUB/../../../OT/Layout/GDEF/GDEF.hh:477:62: warning: missed loop optimization, the loop counter may overflow [-Wunsafe-loop-optimizations]
     for (const Offset32To<Coverage>& offset : coverage.iter ())
                                                              ^
In file included from ../src/OT/Layout/GSUB/GSUB.hh:4:0,
                 from ../src/hb-ot-layout-gsub-table.hh:32,
                 from ../src/hb-subset.cc:52:
../src/OT/Layout/GSUB/../../../hb-ot-layout-gsubgpos.hh: In member function 'bool OT::ChainContextFormat3::serialize_coverage_offsets(hb_subset_context_t*, Iterator, const void*) const [with Iterator = hb_array_t<const OT::OffsetTo<OT::Layout::Common::Coverage, OT::IntType<short unsigned int>, void, true> >; typename hb_enable_if<hb_is_iterator_of<Lhs, typename Lhs::item_t>::value>::type* <anonymous> = 0]':
../src/OT/Layout/GSUB/../../../hb-ot-layout-gsubgpos.hh:4088:5: warning: missed loop optimization, the loop counter may overflow [-Wunsafe-loop-optimizations]
     for (auto& offset : it) {
     ^~~
In file included from ../src/OT/Layout/GSUB/ReverseChainSingleSubst.hh:5:0,
                 from ../src/OT/Layout/GSUB/SubstLookupSubTable.hh:12,
                 from ../src/OT/Layout/GSUB/SubstLookup.hh:5,
                 from ../src/OT/Layout/GSUB/GSUB.hh:6,
                 from ../src/hb-ot-layout-gsub-table.hh:32,
                 from ../src/hb-subset.cc:52:
../src/OT/Layout/GSUB/ReverseChainSingleSubstFormat1.hh: In member function 'bool OT::Layout::GSUB_impl::ReverseChainSingleSubstFormat1::serialize_coverage_offset_array(hb_subset_context_t*, Iterator) const [with Iterator = hb_array_t<const OT::OffsetTo<OT::Layout::Common::Coverage, OT::IntType<short unsigned int>, void, true> >; typename hb_enable_if<hb_is_iterator_of<Lhs, typename Lhs::item_t>::value>::type* <anonymous> = 0]':
../src/OT/Layout/GSUB/ReverseChainSingleSubstFormat1.hh:175:5: warning: missed loop optimization, the loop counter may overflow [-Wunsafe-loop-optimizations]
     for (auto& offset : it) {
     ^~~
In file included from ../src/hb-ot-var-common.hh:29:0,
                 from ../src/hb-ot-var-mvar-table.hh:30,
                 from ../src/hb-ot-os2-table.hh:33,
                 from ../src/hb-ot-cmap-table.hh:30,
                 from ../src/hb-subset.cc:33:
../src/hb-ot-layout-common.hh: In member function 'bool OT::ClassDefFormat2_4<Types>::subset(hb_subset_context_t*, hb_map_t*, bool, bool, const OT::Layout::Common::Coverage*) const [with Types = OT::Layout::SmallTypes]':
../src/hb-ot-layout-common.hh:1870:7: warning: missed loop optimization, the loop counter may overflow [-Wunsafe-loop-optimizations]
       for (auto &range : rangeRecord)
       ^~~
In file included from ../src/hb-ot-var-mvar-table.hh:30:0,
                 from ../src/hb-ot-os2-table.hh:33,
                 from ../src/hb-ot-cmap-table.hh:30,
                 from ../src/hb-subset.cc:33:
../src/hb-ot-var-common.hh: In member function 'bool OT::item_variations_t::as_item_varstore(bool, bool)':
../src/hb-ot-var-common.hh:2195:28: warning: missed loop optimization, the loop counter may overflow [-Wunsafe-loop-optimizations]
           for (int delta : row)
                            ^~~
../src/hb-ot-var-common.hh:2157:47: warning: missed loop optimization, the loop counter may overflow [-Wunsafe-loop-optimizations]
       for (const tuple_delta_t& tuple: tuples.tuple_vars)
                                               ^~~~~~~~~~
../src/hb-ot-var-common.hh: In member function 'bool OT::item_variations_t::build_region_list()':
../src/hb-ot-var-common.hh:2085:25: warning: missed loop optimization, the loop counter may overflow [-Wunsafe-loop-optimizations]
     for (const auto& r: all_unique_regions)
                         ^~~~~~~~~~~~~~~~~~
../src/hb-ot-var-common.hh:2072:26: warning: missed loop optimization, the loop counter may overflow [-Wunsafe-loop-optimizations]
     for (const auto& r : orig_region_list)
                          ^~~~~~~~~~~~~~~~
../src/hb-ot-var-common.hh:2043:32: warning: missed loop optimization, the loop counter may overflow [-Wunsafe-loop-optimizations]
           for (float d : tuple.deltas_x)
                                ^~~~~~~~
../src/hb-ot-var-common.hh:2037:51: warning: missed loop optimization, the loop counter may overflow [-Wunsafe-loop-optimizations]
       for (const tuple_delta_t& tuple : sub_table.tuple_vars)
                                                   ^~~~~~~~~~
../src/hb-ot-var-common.hh:2035:48: warning: missed loop optimization, the loop counter may overflow [-Wunsafe-loop-optimizations]
     for (const tuple_variations_t& sub_table : vars)
                                                ^~~~
../src/hb-ot-var-common.hh: In member function 'bool OT::TupleVariationData::tuple_variations_t::merge_tuple_variations(contour_point_vector_t*)':
../src/hb-ot-var-common.hh:1459:39: warning: missed loop optimization, the loop counter may overflow [-Wunsafe-loop-optimizations]
       for (const tuple_delta_t& var : tuple_vars)
                                       ^~~~~~~~~~
In file included from ../src/OT/glyf/glyf.hh:8:0,
                 from ../src/hb-ot-glyf-table.hh:33,
                 from ../src/hb-subset.cc:34:
../src/OT/glyf/../../hb-ot-var-gvar-table.hh: In member function 'bool OT::gvar::subset(hb_subset_context_t*) const':
../src/OT/glyf/../../hb-ot-var-gvar-table.hh:266:5: warning: missed loop optimization, the loop counter may overflow [-Wunsafe-loop-optimizations]
     for (auto &_ : it)
     ^~~
In file included from ../src/OT/glyf/glyf.hh:8:0,
                 from ../src/hb-ot-glyf-table.hh:33,
                 from ../src/hb-subset.cc:34:
../src/OT/glyf/../../hb-ot-var-gvar-table.hh:143:36: warning: missed loop optimization, the loop counter may overflow [-Wunsafe-loop-optimizations]
     for (tuple_variations_t& vars: glyph_variations)
                                    ^~~~~~~~~~~~~~~~
In file included from ../src/hb-ot-var-mvar-table.hh:30:0,
                 from ../src/hb-ot-os2-table.hh:33,
                 from ../src/hb-ot-cmap-table.hh:30,
                 from ../src/hb-subset.cc:33:
../src/hb-ot-var-common.hh:1547:33: warning: missed loop optimization, the loop counter may overflow [-Wunsafe-loop-optimizations]
       for (tuple_delta_t& var : tuple_vars)
                                 ^~~~~~~~~~
In file included from ../src/OT/glyf/../../hb-ot-hmtx-table.hh:33:0,
                 from ../src/OT/glyf/glyf.hh:7,
                 from ../src/hb-ot-glyf-table.hh:33,
                 from ../src/hb-subset.cc:34:
../src/OT/glyf/../../hb-ot-var-hvar-table.hh: In member function 'bool OT::HVARVVAR::_subset(hb_subset_context_t*) const [with T = OT::VVAR]':
../src/OT/glyf/../../hb-ot-var-hvar-table.hh:144:32: warning: missed loop optimization, the loop counter may overflow [-Wunsafe-loop-optimizations]
     for (const auto &_ : plan->new_to_old_gid_list)
                                ^~~~~~~~~~~~~~~~~~~
In file included from ../src/hb-ot-var-mvar-table.hh:30:0,
                 from ../src/hb-ot-os2-table.hh:33,
                 from ../src/hb-ot-cmap-table.hh:30,
                 from ../src/hb-subset.cc:33:
../src/hb-ot-var-common.hh:2019:43: warning: missed loop optimization, the loop counter may overflow [-Wunsafe-loop-optimizations]
     for (tuple_variations_t& tuple_vars : vars)
                                           ^~~~
In file included from ../src/OT/glyf/../../hb-ot-hmtx-table.hh:33:0,
                 from ../src/OT/glyf/glyf.hh:7,
                 from ../src/hb-ot-glyf-table.hh:33,
                 from ../src/hb-subset.cc:34:
../src/OT/glyf/../../hb-ot-var-hvar-table.hh: In member function 'bool OT::HVARVVAR::_subset(hb_subset_context_t*) const [with T = OT::HVAR]':
../src/OT/glyf/../../hb-ot-var-hvar-table.hh:144:32: warning: missed loop optimization, the loop counter may overflow [-Wunsafe-loop-optimizations]
     for (const auto &_ : plan->new_to_old_gid_list)
                                ^~~~~~~~~~~~~~~~~~~
In file included from ../src/hb-ot-var-mvar-table.hh:30:0,
                 from ../src/hb-ot-os2-table.hh:33,
                 from ../src/hb-ot-cmap-table.hh:30,
                 from ../src/hb-subset.cc:33:
../src/hb-ot-var-common.hh:2019:43: warning: missed loop optimization, the loop counter may overflow [-Wunsafe-loop-optimizations]
     for (tuple_variations_t& tuple_vars : vars)
                                           ^~~~
../src/hb-ot-var-common.hh: In function 'bool _subset(hb_subset_plan_t*, hb_vector_t<char>&) [with TableType = const OT::MVAR]':
../src/hb-ot-var-common.hh:2019:43: warning: missed loop optimization, the loop counter may overflow [-Wunsafe-loop-optimizations]
     for (tuple_variations_t& tuple_vars : vars)
                                           ^~~~
In file included from ../src/hb-subset.cc:61:0:
../src/hb-ot-stat-table.hh: In function 'bool _subset(hb_subset_plan_t*, hb_vector_t<char>&) [with TableType = const OT::STAT]':
../src/hb-ot-stat-table.hh:296:28: warning: missed loop optimization, the loop counter may overflow [-Wunsafe-loop-optimizations]
     for (const auto& rec : axis_value_records)
                            ^~~~~~~~~~~~~~~~~~
../src/hb-ot-stat-table.hh:456:31: warning: missed loop optimization, the loop counter may overflow [-Wunsafe-loop-optimizations]
     for (const auto& offset : axisValueOffsets)
                               ^~~~~~~~~~~~~~~~
In file included from ../src/hb-ot-var-mvar-table.hh:30:0,
                 from ../src/hb-ot-os2-table.hh:33,
                 from ../src/hb-ot-cmap-table.hh:30,
                 from ../src/hb-subset.cc:33:
../src/hb-ot-var-common.hh: In member function 'bool OT::GDEFVersion1_2<Types>::subset(hb_subset_context_t*) const [with Types = OT::Layout::SmallTypes]':
../src/hb-ot-var-common.hh:2019:43: warning: missed loop optimization, the loop counter may overflow [-Wunsafe-loop-optimizations]
     for (tuple_variations_t& tuple_vars : vars)
                                           ^~~~
In file included from ../src/hb-subset.cc:41:0:
../src/OT/Color/COLR/COLR.hh: In member function 'bool OT::ColorLine<Var>::subset(hb_subset_context_t*, const OT::ItemVarStoreInstancer&) const [with Var = OT::NoVariable]':
../src/OT/Color/COLR/COLR.hh:422:5: warning: missed loop optimization, the loop counter may overflow [-Wunsafe-loop-optimizations]
     for (const auto& stop : stops.iter ())
     ^~~
../src/OT/Color/COLR/COLR.hh: In member function 'bool OT::ColorLine<Var>::subset(hb_subset_context_t*, const OT::ItemVarStoreInstancer&) const [with Var = OT::Variable]':
../src/OT/Color/COLR/COLR.hh:422:5: warning: missed loop optimization, the loop counter may overflow [-Wunsafe-loop-optimizations]
     for (const auto& stop : stops.iter ())
     ^~~
../src/OT/Color/COLR/COLR.hh: In member function 'bool OT::COLR::subset(hb_subset_context_t*) const':
../src/OT/Color/COLR/COLR.hh:1894:36: warning: missed loop optimization, the loop counter may overflow [-Wunsafe-loop-optimizations]
     for (const auto& _ : as_array ())
                                    ^
In file included from ../src/OT/Layout/GSUB/GSUB.hh:4:0,
                 from ../src/hb-ot-layout-gsub-table.hh:32,
                 from ../src/hb-subset.cc:52:
../src/OT/Layout/GSUB/../../../hb-ot-layout-gsubgpos.hh: In member function 'bool OT::RuleSet<Types>::subset(hb_subset_context_t*, const hb_map_t*, const hb_map_t*) const [with Types = OT::Layout::SmallTypes]':
../src/OT/Layout/GSUB/../../../hb-ot-layout-gsubgpos.hh:2248:5: warning: missed loop optimization, the loop counter may overflow [-Wunsafe-loop-optimizations]
     for (const Offset16To<Rule>& _ : rule)
     ^~~
In file included from ../src/OT/Layout/GPOS/MarkArray.hh:4:0,
                 from ../src/OT/Layout/GPOS/MarkBasePosFormat1.hh:4,
                 from ../src/OT/Layout/GPOS/MarkBasePos.hh:4,
                 from ../src/OT/Layout/GPOS/PosLookupSubTable.hh:7,
                 from ../src/OT/Layout/GPOS/PosLookup.hh:4,
                 from ../src/OT/Layout/GPOS/GPOS.hh:7,
                 from ../src/hb-ot-layout-gpos-table.hh:32,
                 from ../src/hb-subset.cc:53:
../src/OT/Layout/GPOS/AnchorMatrix.hh: In member function 'bool OT::Layout::GPOS_impl::AnchorMatrix::subset(hb_subset_context_t*, unsigned int, Iterator) const [with Iterator = hb_sorted_array_t<const unsigned int>; typename hb_enable_if<hb_is_iterator_of<Lhs, typename Lhs::item_t>::value>::type* <anonymous> = 0]':
../src/OT/Layout/GPOS/AnchorMatrix.hh:71:5: warning: missed loop optimization, the loop counter may overflow [-Wunsafe-loop-optimizations]
     for (const unsigned i : index_iter)
     ^~~
In file included from ../src/OT/Layout/GSUB/GSUB.hh:4:0,
                 from ../src/hb-ot-layout-gsub-table.hh:32,
                 from ../src/hb-subset.cc:52:
../src/OT/Layout/GSUB/../../../hb-ot-layout-gsubgpos.hh: In member function 'typename context_t::return_t OT::Context::dispatch(context_t*, Ts&& ...) const [with context_t = hb_subset_context_t; Ts = {}]':
../src/OT/Layout/GSUB/../../../hb-ot-layout-gsubgpos.hh:2809:47: warning: missed loop optimization, the loop counter may overflow [-Wunsafe-loop-optimizations]
     for (const Offset16To<Coverage>& offset : coverages)
                                               ^~~~~~~~~
../src/OT/Layout/GSUB/../../../hb-ot-layout-gsubgpos.hh: In member function 'bool OT::ChainRuleSet<Types>::subset(hb_subset_context_t*, const hb_map_t*, const hb_map_t*, const hb_map_t*, const hb_map_t*) const [with Types = OT::Layout::SmallTypes]':
../src/OT/Layout/GSUB/../../../hb-ot-layout-gsubgpos.hh:3439:5: warning: missed loop optimization, the loop counter may overflow [-Wunsafe-loop-optimizations]
     for (const Offset16To<ChainRule>& _ : rule)
     ^~~
[91/93] Linking target src/libharfbuzz-subset.so.0.60840.0
[92/93] Generating symbol file src/libharfbuzz-subset.so.0.60840.0.p/libharfbuzz-subset.so.0.60840.0.symbols
[93/93] Linking target util/hb-subset
make: Leaving directory '/home/buildroot/instance-0/buildroot'