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[mypyc] Fix reference leak on failure in specialized dict methods - #22233
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p-sawicki merged 1 commit intoOct 20, 2026
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JukkaL
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Oct 20, 2026
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The specializations for
list(subdict.m())wheremiskeys,values, oritemscreate an empty list to extend with the result of the method. If the method raises, the list is not cleaned up.Use
PySequence_Listinstead which does the same thing with correct memory handling.