[RFC] Add arena and submit method preservation as exit criteria for task_group dependencies

[kboyarinov]

Description

Add new exit criteria for task_group dynamic dependencies.
Discussion link: #1685 (comment)

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[isaevil]

Looks good to me.

[vossmjp]

Should this be in the potential enhancement section? Seems to me that this is a design limitation that needs to be addressed to preserve semantics. In addition to concurrency, imagine that you run a task in an arena with constraints but it executes in a different arena with the different constraints -- such as as core type or CPU mask. It might also have different FP settings.