merge revision(s) 08529a61153e5c40f57a65272211357511d6e6db: [Backport #16798]
Compare environment variable names in those manor [Bug #16798]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_6@67917 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
merge revision(s) 08529a61153e5c40f57a65272211357511d6e6db: [Backport #16798]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_6@67917 b2dd03c8-39d4-4d8f-98ff-823fe69b080e