Tracking the stored object, should it be stored into an already processed object and popped off the stack, preserves reachability through the write barrier.
跟踪存储的对象，应将其存储在已经处理过的对象中并从栈中弹出，通过写入屏障保持可获取性。
A write barrier executed before the application performs a store operation does this tracking.
在应用程序执行存储操作之前执行写障碍将完成这种跟踪。
For those who want to write a new test framework, the barrier for entry is lower.
对于那些希望编写一个新的测试框架的人员而言，门槛降低了。
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