# Bug report ### Bug description: I think this is a relatively recent regression, probably in the last month or so. Can be reproduced by uncommenting the line: ``` // #define Py_STACKREF_DEBUG 1 ``` in pycore_structs.h ### CPython versions tested on: CPython main branch ### Operating systems tested on: Linux <!-- gh-linked-prs --> ### Linked PRs * gh-139475 <!-- /gh-linked-prs -->
Bug report
Bug description:
I think this is a relatively recent regression, probably in the last month or so.
Can be reproduced by uncommenting the line:
in pycore_structs.h
CPython versions tested on:
CPython main branch
Operating systems tested on:
Linux
Linked PRs