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[3.12] gh-126105: Fix crash inast module, when._fields is delet…#126132
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… deleted (pythonGH-126115)Previously, if the `ast.AST._fields` attribute was deleted, attempts to create a new `as`t node would crash due to the assumption that `_fields` always had a non-NULL value. Now it has been fixed by adding an extra check to ensure that `_fields` does not have a NULL value (this can happen when you manually remove `_fields` attribute).(cherry picked from commitb2eaa75)Co-authored-by: sobolevn <mail@sobolevn.me>
This was referencedOct 29, 2024
sobolevn approved these changesOct 29, 2024
515a5d3 intopython:3.12 32 checks passed
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…ed (GH-126115)
Previously, if the
ast.AST._fieldsattribute was deleted, attempts to create a newast node would crash due to the assumption that_fieldsalways had a non-NULL value. Now it has been fixed by adding an extra check to ensure that_fieldsdoes not have a NULL value (this can happen when you manually remove_fieldsattribute). (cherry picked from commitb2eaa75)