gh-143939: Fix assignment to _PyThreadStateImpl.generator_return_kind#143951
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…n_kind The assignment to generator_return_kind has to be after any potentially escaping calls or it might be overwritten.
Comment on lines 2271 to 2279
| class CallGeneratorOnDealloc: | ||
| def __del__(self): | ||
| def gen(): | ||
| yield 1 | ||
| next(gen()) | ||
| async def coro(): | ||
| obj = CallGeneratorOnDealloc() | ||
| return 42 |
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Suggested change
| classCallGeneratorOnDealloc: | |
| def__del__(self): | |
| defgen(): | |
| yield1 | |
| next(gen()) | |
| asyncdefcoro(): | |
| obj=CallGeneratorOnDealloc() | |
| return42 | |
| classCallGeneratorOnDealloc: | |
| def__del__(self): | |
| next(xforxin [42]) | |
| asyncdefcoro(): | |
| obj=CallGeneratorOnDealloc() |
johnslavik approved these changes Jan 17, 2026
9 tasks
colesbury merged commit 43bb630 into python:main 53 checks passed
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The assignment to generator_return_kind must be after any potentially escaping calls to ensure that it's not overwritten.