merge revision(s) 50421: [Backport #11113]
* range.c (linear_object_p, range_include): test if covered for linear objects. [ruby-core:69052] [Bug #11113]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_2@50630 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
merge revision(s) 50421: [Backport #11113]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_2@50630 b2dd03c8-39d4-4d8f-98ff-823fe69b080e