Bug report

Bug description:

Reported here:#122762 (comment)

The locations for branches in while statements are not consistent. The first iteration shows different locations from the second and later iterations.

I've not check earlier versions, but this could be an issue for 3.12 as well.

CPython versions tested on:

3.13, CPython main branch

Operating systems tested on:

No response

Linked PRs

• GH-122821: Simplify compilation of while statements to ensure consistency of offsets for sys.monitoring #122934