gh-111178: fix UBSan failures in Modules/pyexpat.c
#129789
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encukou
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Feb 21, 2025
encukou
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Feb 21, 2025
seehwan
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Apr 16, 2025
…129789) Fix UBSan failures for `xmlparseobject`, XML handler setters Suppress unused return values Rewrite `RC_HANDLER` with better semantics
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This PR fixes the UBSan failures and addresses some minor cosmetic changes. Some PEP-7 changes were applied assuming they do not scramble the diff and other semantic changes affecting the signature of touched functions may have been done as well.