list iterator __setstate__() differs for exhausted iterator GIL vs. non-GIL #129139

$ ./python
Python 3.14.0a4+ (heads/main:f3980af38b, Jan 21 2025, 11:34:12) [GCC 11.4.0] on linux
Type "help", "copyright", "credits" or "license" for more information.
>>> it = iter([1]); list(it)
[1]
>>> it.__setstate__(0); list(it)
[]

$ ./python
Python 3.14.0a4+ experimental free-threading build (heads/main:f3980af38b, Jan 21 2025, 11:31:38) [GCC 11.4.0] on linux
Type "help", "copyright", "credits" or "license" for more information.
>>> it = iter([1]); list(it)
[1]
>>> it.__setstate__(0); list(it)
[1]