New submission from Mark Shannon <m...@hotpy.org>:
The bytecodes WITH_CLEANUP_START and WITH_CLEANUP_FINISH are complex and
implement entirely different behavior depending on what is on the stack.
This is unnecessary as the same semantics can be implemented with much simpler
bytecodes and using the compiler do much of the work now done at runtime.
components: Interpreter Core
title: The interpreter bytecodes for with statements are overly complex.
versions: Python 3.8
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