Title: GH-93143: Don't turn `LOAD_FAST` into `LOAD_FAST_CHECK` by brandtbucher · Pull Request #99075 · python/cpython · GitHub
Open Graph Title: GH-93143: Don't turn `LOAD_FAST` into `LOAD_FAST_CHECK` by brandtbucher · Pull Request #99075 · python/cpython
X Title: GH-93143: Don't turn `LOAD_FAST` into `LOAD_FAST_CHECK` by brandtbucher · Pull Request #99075 · python/cpython
Description: The compiler's dataflow analysis for fast locals can be invalidated by jumps or deletions while tracing. When this happens, rather than changing co_code (which users assume to be constant) to use the less-efficient LOAD_FAST_CHECK everywhere, just display a RuntimeWarning and set any problematic locals to None instead. Issue: gh-93143
Open Graph Description: The compiler's dataflow analysis for fast locals can be invalidated by jumps or deletions while tracing. When this happens, rather than changing co_code (which users assume to be constant) to u...
X Description: The compiler's dataflow analysis for fast locals can be invalidated by jumps or deletions while tracing. When this happens, rather than changing co_code (which users assume to be constant) ...
Opengraph URL: https://github.com/python/cpython/pull/99075
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