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3.14bugs and security fixesbugs and security fixes3.15new features, bugs and security fixesnew features, bugs and security fixesinterpreter-core(Objects, Python, Grammar, and Parser dirs)(Objects, Python, Grammar, and Parser dirs)release-blockertype-bugAn unexpected behavior, bug, or errorAn unexpected behavior, bug, or error
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Bug description:
def f(a=0):
f(a=0)
f()
This code causes an infinite loop (until it runs out of memory) in Python 3.14. It raises RecursionError
in Python 3.13. There is no problem when calling the function without a keyword argument; in that case, it also raises RecursionError
as expected.
CPython versions tested on:
3.13, 3.14, CPython main branch
Operating systems tested on:
macOS
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3.14bugs and security fixesbugs and security fixes3.15new features, bugs and security fixesnew features, bugs and security fixesinterpreter-core(Objects, Python, Grammar, and Parser dirs)(Objects, Python, Grammar, and Parser dirs)release-blockertype-bugAn unexpected behavior, bug, or errorAn unexpected behavior, bug, or error
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