[mypyc] Don't borrow list items on free-threaded builds - #21679
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JukkaL merged 7 commits intoJul 6, 2026
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This is work towards making list operations memory safe on free-threaded builds.
p-sawicki
approved these changes
Jul 6, 2026
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Borrowing list items is unsafe on free-threaded builds, since another thread could be concurrently mutating the list.
Also make it possible to have different expected test case outputs on free-threaded and GIL-enabled builds.
Work on mypyc/mypyc#1202.