[3.7] bpo-28866: No type cache for types with specialized mro, invalidation is hard. (GH-13157) #13589
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No type cache for types with specialized mro, invalidation is hard.
FIX: Don't disable method cache custom types that do not implement mro().
fixing implem.
Avoid storing error flags, also decref.
news entry
Clear as soon as we're getting an error.
FIX: Reference leak.
(cherry picked from commit 180dc1b)
Co-authored-by: Julien Palard julien@palard.fr
https://bugs.python.org/issue28866