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-rw-r--r--src/3rdparty/harfbuzz-ng/src/hb-iter.hh9
1 files changed, 5 insertions, 4 deletions
diff --git a/src/3rdparty/harfbuzz-ng/src/hb-iter.hh b/src/3rdparty/harfbuzz-ng/src/hb-iter.hh
index b123b2f27c..61e05180be 100644
--- a/src/3rdparty/harfbuzz-ng/src/hb-iter.hh
+++ b/src/3rdparty/harfbuzz-ng/src/hb-iter.hh
@@ -63,6 +63,7 @@ struct hb_iter_t
static constexpr bool is_iterator = true;
static constexpr bool is_random_access_iterator = false;
static constexpr bool is_sorted_iterator = false;
+ static constexpr bool has_fast_len = false; // Should be checked in combination with is_random_access_iterator.
private:
/* https://en.wikipedia.org/wiki/Curiously_recurring_template_pattern */
@@ -393,7 +394,7 @@ struct hb_map_iter_t :
private:
Iter it;
- hb_reference_wrapper<Proj> f;
+ mutable hb_reference_wrapper<Proj> f;
};
template <typename Proj, hb_function_sortedness_t Sorted>
@@ -456,8 +457,8 @@ struct hb_filter_iter_t :
private:
Iter it;
- hb_reference_wrapper<Pred> p;
- hb_reference_wrapper<Proj> f;
+ mutable hb_reference_wrapper<Pred> p;
+ mutable hb_reference_wrapper<Proj> f;
};
template <typename Pred, typename Proj>
struct hb_filter_iter_factory_t
@@ -841,7 +842,7 @@ struct
template <typename Iterable,
hb_requires (hb_is_iterable (Iterable))>
auto operator () (Iterable&& it, unsigned count) const HB_AUTO_RETURN
- ( hb_zip (hb_range (count), it) | hb_map (hb_second) )
+ ( hb_zip (hb_range (count), it) | hb_map_retains_sorting (hb_second) )
/* Specialization arrays. */