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Title: Align load-fast borrow barriers with CPython by youknowone · Pull Request #7930 · RustPython/RustPython · GitHub

Open Graph Title: Align load-fast borrow barriers with CPython by youknowone · Pull Request #7930 · RustPython/RustPython

X Title: Align load-fast borrow barriers with CPython by youknowone · Pull Request #7930 · RustPython/RustPython

Description: Summary by CodeRabbit Refactor Improved load/variable preservation across folded conditionals, loops, try/finally and with/context patterns to match CPython semantics and avoid weakening successor loads. Tests Added extensive unit tests covering nested try/finally, folded conditionals, loop tails, and with/exception-tail scenarios. Chores Added "ifexp" to the spell-check allowlist.

Open Graph Description: Summary by CodeRabbit Refactor Improved load/variable preservation across folded conditionals, loops, try/finally and with/context patterns to match CPython semantics and avoid weakening success...

X Description: Summary by CodeRabbit Refactor Improved load/variable preservation across folded conditionals, loops, try/finally and with/context patterns to match CPython semantics and avoid weakening success...

Opengraph URL: https://github.com/RustPython/RustPython/pull/7930

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dfe8904 Align load-fast borrow barriers with CPython youknowone May 19, 2026 https://github.com/RustPython/RustPython/pull/7930/commits/dfe89042469e0722fc07d3c7b6ed655ae7fc1b19
246479c Allow CPython ifexp compiler name in spellcheck youknowone May 20, 2026 https://github.com/RustPython/RustPython/pull/7930/commits/246479cb8a7e860b12c41ff35a3a1b1d15947614
7388f23 Address load-fast passthrough review feedback youknowone May 20, 2026 https://github.com/RustPython/RustPython/pull/7930/commits/7388f23d55f207b41d886b348cbf1cba98908417
01d82fa Traverse empty load-fast passthrough predecessors youknowone May 20, 2026 https://github.com/RustPython/RustPython/pull/7930/commits/01d82fa8375d688a6ff4729d5bf7e1175619336f
388a620 Extract load-fast test helpers youknowone May 20, 2026 https://github.com/RustPython/RustPython/pull/7930/commits/388a620c5e21f28fd1e3f0ae7eb3c67732111a87
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