merge revision(s) 56520: [Backport #12876]
* vm_eval.c (vm_call0_body): follow the original class, not to loop the prepended module. [ruby-core:77784] [Bug #12876]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_3@56783 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
merge revision(s) 56520: [Backport #12876]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_3@56783 b2dd03c8-39d4-4d8f-98ff-823fe69b080e