Free-threaded build crashes when destructor ran in the middle of dict/list resize #160697

import threading

class Evil:
    def __del__(self):
        d[object()] = 0

class C:
    pass

d = {}
t = threading.Thread(target=d.get, args=(0,))
t.start()
t.join()

for _ in range(1000):
    o = C()
    o.__dict__ = {"x": Evil()}
    o.__dict__ = {}
    for k in list(d):
        del d[k]
    for i in rang