Iterative GC mark to fix iOS stack overflow on deep graphs (#3136)#4980

Merged

shai-almog merged 7 commits into

fix/3136-iterative-gc-mark

May 19, 2026

Commits on May 19, 2026

Replace recursive GC mark with iterative worklist (#3136)

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Advance recursionKey per cycle and record force-visit on first mark

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Drain mark worklist per thread to restore snapshot-at-the-beginning

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Revert the recursionKey cleanup

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Revert per-thread drain, keep only the final drain

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Fix overflow rescan: cursor across batches + larger default worklist

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Drain mark worklist per thread + drop stale Metal-port-incomplete notes

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