[Checkins] [zopefoundation/zope.interface] fc967f: Handle diamond inheritance for super

[Jason Madden]

  Branch: refs/heads/issue11
  Home:   https://github.com/zopefoundation/zope.interface
  Commit: fc967f81efeb78a0c9e350a0d45b2ecf158f2017
      https://github.com/zopefoundation/zope.interface/commit/fc967f81efeb78a0c9e350a0d45b2ecf158f2017
  Author: Jason Madden <jamadden at gmail.com>
  Date:   2020-03-07 (Sat, 07 Mar 2020)

  Changed paths:
    M src/zope/interface/_zope_interface_coptimizations.c
    M src/zope/interface/declarations.py
    M src/zope/interface/interface.py
    M src/zope/interface/tests/test_declarations.py
    M src/zope/interface/tests/test_registry.py

  Log Message:
  -----------
  Handle diamond inheritance for super