No scanning an object twice in each GC. #120
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This PR forces each object to be scanned at most once in each GC. In this way, no two GC workers will scan the same object at the same time. This can solve some potential problems such as data races in cleaning the code cache. Currently this only affects the MarkSweep plan.
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This PR forces each object to be scanned at most once in each GC. In this way, no two GC workers will scan the same object at the same time. This can solve some potential problems such as data races in cleaning the code cache. Currently this only affects the MarkSweep plan.