New submission from Mark Shannon <m...@hotpy.org>:

This breaks a key invariant of PEP 659.

Inserting `assert(cframe.use_tracing == 0);` at the top of all quickened 
instructions results in several failures when running the test suite.

----------
assignee: Mark.Shannon
components: Interpreter Core
messages: 397090
nosy: Mark.Shannon, kj
priority: normal
severity: normal
stage: needs patch
status: open
title: Interpreter can execute quickened opcodes in tracing mode
type: behavior
versions: Python 3.11

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Python tracker <rep...@bugs.python.org>
<https://bugs.python.org/issue44581>
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