Umm. Cryptic, yes
hb-face.cc:650: error: ISO C++ says that these are ambiguous, even though the worst conversion for the first is better than the worst conversion for the second:
hb-vector.hh:81: note: candidate 1: Type& hb_vector_t<Type, PreallocedCount>::operator[](unsigned int) [with Type = hb_face_builder_data_t::table_entry_t, unsigned int PreallocedCount = 32u]
hb-face.cc:650: note: candidate 2: operator[](T*, int) <built-in>
diff --git a/src/hb-face.cc b/src/hb-face.cc
index 724f54d..a1ae1d7 100644
--- a/src/hb-face.cc
+++ b/src/hb-face.cc
@@ -647,8 +647,8 @@
bool is_cff = data->tables.lsearch (HB_TAG ('C','F','F',' ')) || data->tables.lsearch (HB_TAG ('C','F','F','2'));
hb_tag_t sfnt_tag = is_cff ? OT::OpenTypeFontFile::CFFTag : OT::OpenTypeFontFile::TrueTypeTag;
- Supplier<hb_tag_t> tags_supplier (&data->tables[0].tag, table_count, data->tables.item_size);
- Supplier<hb_blob_t *> blobs_supplier (&data->tables[0].blob, table_count, data->tables.item_size);
+ Supplier<hb_tag_t> tags_supplier (&data->tables[0u].tag, table_count, data->tables.item_size);
+ Supplier<hb_blob_t *> blobs_supplier (&data->tables[0u].blob, table_count, data->tables.item_size);
bool ret = f->serialize_single (&c,
sfnt_tag,
tags_supplier,