[Mono-devel-list] Hashtable serialization issue

[Lluis Sanchez]

Hi,

There is one problem when serializing a hashtable from which an element has been removed. 

The current implementation uses a special value to mark slots as deleted. It is an Object instance, defined in the constant REMOVED_MARKER. When the hashtable is serialized, it also serializes those Object instances. The problem is that when the hashtable is deserialized, the Object instance that the serializer constructs is not the same as the internal REMOVED_MARKER instance, so it thinks it is valid value slot.

The attached patch solves the problem. However, I don't know if this is the best approach, I don't fully understand why this REMOVED_MARKER is needed.

If there aren't any objections, I'll commit the patch.

Regards,
Lluis.

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