merge revision(s) 55462: [Backport #11954]
* vm.c (invoke_bmethod, invoke_block_from_c_0): revert r52104 partially to avoid "self has wrong type to call super in this context" errors. [ruby-core:72724] [Bug #11954]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_3@55560 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
merge revision(s) 55462: [Backport #11954]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_3@55560 b2dd03c8-39d4-4d8f-98ff-823fe69b080e