New submission from Irit Katriel <iritkatr...@gmail.com>:

Following issue45711, the implementation of except* can be simplified - we do 
not need to use POP_EXCEPT_AND_RERAISE to reraise the exception calculated by 
PREP_RERAISE_STAR, we can instead 

1. Make PREP_RERAISE_STAR not push a dummy lasti to the stack.
2. USE ROT_TWO + POP_EXCEPT + RERAISE.


While I'm there, I will move the PREP_RERAISE_STAR helper functions 
(do_reraise_star etc) to exceptions.c.

----------
assignee: iritkatriel
components: Interpreter Core
messages: 409458
nosy: iritkatriel
priority: normal
severity: normal
status: open
title: Simplify except* implementation and move helpers to exceptions.c
versions: Python 3.11

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Python tracker <rep...@bugs.python.org>
<https://bugs.python.org/issue46221>
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