[3.6] bpo-31499, xml.etree: Fix xmlparser_gc_clear() crash (GH-3641)#3645
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…3641) * bpo-31499, xml.etree: Fix xmlparser_gc_clear() crash xml.etree: xmlparser_gc_clear() now sets self.parser to NULL to prevent a crash in xmlparser_dealloc() if xmlparser_gc_clear() was called previously by the garbage collector, because the parser was part of a reference cycle. Co-Authored-By: Serhiy Storchaka <storchaka@gmail.com> (cherry picked from commit e727d41)
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xml.etree: xmlparser_gc_clear() now sets self.parser to NULL to prevent a
crash in xmlparser_dealloc() if xmlparser_gc_clear() was called previously
by the garbage collector, because the parser was part of a reference cycle.
Co-Authored-By: Serhiy Storchaka storchaka@gmail.com
(cherry picked from commit e727d41)
https://bugs.python.org/issue31499