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JIT does not emit trampolines for jumps to addresses encoded as operands #149316

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JIT does not emit trampolines for jumps to addresses encoded as operands#149316
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interpreter-core(Objects, Python, Grammar, and Parser dirs)(Objects, Python, Grammar, and Parser dirs)topic-JITtype-bugAn unexpected behavior, bug, or errorAn unexpected behavior, bug, or error
@markshannon

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@markshannon
markshannon
opened on May 3, 2026
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Bug report

Bug description:

We need to declare variables volatile here and in #148745 otherwise the code generator emits normal jumps without the necessary patching to add trampolines.

For more details see #148745 (comment)

CPython versions tested on:

CPython main branch

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    interpreter-core(Objects, Python, Grammar, and Parser dirs)(Objects, Python, Grammar, and Parser dirs)topic-JITtype-bugAn unexpected behavior, bug, or errorAn unexpected behavior, bug, or error

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