Missing error handling in `SET_COUNT` macro in `_testinternalcapi.c`

[sobolevn]

Bug report

Refs #133265

Right here PyLong_FromLong can in theory (unlikely in practice) return NULL. It is missing this check. I understand that this is a test code, but I also don't see a reason why we should not be explicit about it.

cpython/Modules/_testinternalcapi.c

Line 1045 in 13cb8ca

#define SET_COUNT(DICT, STRUCT, NAME) \

cc @ericsnowcurrently

I have a PR ready.

Linked PRs

• gh-133891: Add missing error check to SET_COUNT macro in _testinternalcapi.c #133892
• [3.14] gh-133891: Add missing error check to SET_COUNT macro in _testinternalcapi.c (GH-133892) #134988