Riley Bruins 64847fbdc9 perf(treesitter): use child_containing_descendant() in is_ancestor() ...

**Problem:** `is_ancestor()` uses a slow, bottom-up parent lookup which
has performance pitfalls detailed in #28512.

**Solution:** Take `is_ancestor()` from $O(n^2)$ to $O(n)$ by
incorporating the use of the `child_containing_descendant()` function

2024-09-25 23:01:08 +02:00

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