merge revision(s) 53363: [Backport #11910] [Backport #12061]
* lib/resolv.rb (Resolv::IPv6.create): avoid modifying frozen * test/resolv/test_dns.rb (test_ipv6_create): test for above [Bug #11910] [ruby-core:72559]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_3@54404 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
merge revision(s) 53363: [Backport #11910] [Backport #12061]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_3@54404 b2dd03c8-39d4-4d8f-98ff-823fe69b080e