merge revision(s) 0036648a420f945624898568bb82bc5f83195d12: [Backport #17533]
Capture to reserved name variables if already defined [Bug #17533]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_6@67927 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
merge revision(s) 0036648a420f945624898568bb82bc5f83195d12: [Backport #17533]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_6@67927 b2dd03c8-39d4-4d8f-98ff-823fe69b080e