The opcode metadata has stack effect for real instructions, and then in code we add the pseudo instructions. Would be tidier to generate it for the pseudo instructions as well.


<!-- gh-linked-prs -->
### Linked PRs
* gh-119691
<!-- /gh-linked-prs -->

Generate stack effect for pseudo instructions
This is a GitHub Issue
repo:cpython
owner:python
Title : Generate stack effect for pseudo instructions
Issue date:

--- start body ---
The opcode metadata has stack effect for real instructions, and then in code we add the pseudo instructions. Would be tidier to generate it for the pseudo instructions as well.


<!-- gh-linked-prs -->
### Linked PRs
* gh-119691
<!-- /gh-linked-prs -->

--- end body ---

None