cpython

GH-126491: Lower heap size limit with faster marking (GH-127519)

gh-120010: Fix invalid (nan+nanj) results in _Py_c_prod() (GH-120287)

gh-127655: Ensure `_SelectorSocketTransport.writelines` pauses the protocol if needed (#127656)

gh-127627: Add `posix._emscripten_debugger` function (#127628)

GH-125413: Revert addition of `pathlib.Path.scandir()` method (#127377)