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Be more careful when adding delta #15

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Be more careful when adding delta #15

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2 changes: 1 addition & 1 deletion src/hb/ot_layout_gsubgpos.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -482,7 +482,7 @@ pub(super) fn apply_lookup(
//
// It should be possible to construct tests for both of these cases.

end = (end as isize + delta) as _;
end = end.saturating_add_signed(delta);
if end < match_positions[idx] {
// End might end up being smaller than match_positions[idx] if the recursed
// lookup ended up removing many items.
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