[issue22984] test_json.test_endless_recursion(): "Fatal Python error: Cannot recover from stack overflow." on x86 XP-4 3.x buildbot

[Serhiy Storchaka]

Serhiy Storchaka added the comment:

JSON encoder uses recursion calls guards but they don't save from an overflow 
of C stack.

How to reproduce:

import json
sys.setrecursionlimit(1000000000)
json.dumps(5j, check_circular=False, default=lambda o: [o])

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components: +Extension Modules

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