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ladybird/Userland/Libraries/LibJS/Heap
Andreas Kling 07a36c8f80 LibJS: Add a finalization pass to the garbage collector
Doing things in the destructor of a GC-allocated object isn't always
safe, in case it involves accessing other GC-allocated objects.
If they were already swept by GC, we'd be poking into freed memory.

This patch adds a separate finalization pass where GC calls finalize()
on every unmarked cell that's about to be deleted.

It's safe to access other GC objects in finalize(), even if they're
also unmarked.
2022-10-20 19:36:59 +02:00
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