merge revision(s) 49875: [Backport #10946]
* class.c (rb_prepend_module): need a WB for klass -> origin.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_1@50285 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Added by usa (Usaku NAKAMURA) about 9 years ago
merge revision(s) 49875: [Backport #10946]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_1@50285 b2dd03c8-39d4-4d8f-98ff-823fe69b080e