Add a missing asan_unpoisoning_p in gc_set_candidate_object_i #10386
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It walks the heap, and checks for T_NONE and T_ZOMBIE objects, so it needs to unpoison these slots before accessing them when ASAN is enabled.
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It walks the heap, and checks for T_NONE and T_ZOMBIE objects, so it needs to unpoison these slots before accessing them when ASAN is enabled.