Optimizing ARC - weakness of [weak]

[DP News-Robot]

In Delphi, the [weak] attribute is used to break strong reference cycles between reference counted object instances. It can be used with the ARC compiler on both object and interface references, and with the classic compiler for interface references. Weak interface references were introduced in Delphi 10.1 Berlin.

Now, there is a teeny-weeny problem with the [weak] attribute. It denotes a zeroing weak reference that will be zeroed (niled) when the object it points to is

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