[issue14507] Segfault with deeply nested starmap calls

[Antoine Pitrou]

Antoine Pitrou <pitrou at free.fr> added the comment:

> The existing sys.max_recursion_depth was put in as a defense against
> the relatively common mistake of users writing a recursive function
> and getting the termination code wrong.   I don't think that logic
> would apply to intentionally deeply nested data structures or
> iterators.

Well, we have a history of trying to fix crashers, even when they only
occur in weird cases.

> Stackoverflows in C are hard to protect against.

We could simply re-use the existing infrastructure.

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