[issue47172] Make virtual opcodes in the compiler negative and is_jump() identify only proper jumps

[Irit Katriel]

Change by Irit Katriel <iritkatriel at gmail.com>:


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title: Make virtual opcodes in the compiler > 256 and is_jump() identify only proper jumps -> Make virtual opcodes in the compiler negative and is_jump() identify only proper jumps

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Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue47172>
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