Avoid integer overflows with correct signing (tracking HB) and assertions#146

Merged

alerque merged 2 commits intoharfbuzz:mainfrom alerque:dodge-indexing-pitfalls

Nov 11, 2024

+18-9

Commits on Nov 11, 2024

Track HarfBuzz's signed/unsigned integer types to avoid overflows
alerque
committed
Add assertions to avoid overflow t happen when subtracting from an unsigned index
alerque
committed