wasm: Switch to -fwasm-exceptions#32103
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As of the `pyemscripten_2025_0` platform [1], pyodide builds with `-fwasm-exceptions` instead of `-fexceptions`. This is the default platform for Python 3.13. Since we've dropped Python 3.12 wasm wheels, we should switch to this new exception handling. [1] https://pyodide.org/en/stable/development/abi/313.html
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PR summary
As of the
pyemscripten_2025_0platform [1], pyodide builds with-fwasm-exceptionsinstead of-fexceptions. This is the default platform for Python 3.13. Since we've dropped Python 3.12 wasm wheels, we should switch to this new exception handling.[1] https://pyodide.org/en/stable/development/abi/313.html
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