Merge RubyGems 2.7.6.2 patch [Bug #15643]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_5@67235 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Merge RubyGems 2.7.6.2 patch [Bug #15643]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_5@67235 b2dd03c8-39d4-4d8f-98ff-823fe69b080e