merge revision(s) 67270: [Backport #15670]
dsym should be treated as string [ruby-core:91852] [Bug #15670]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_5@67707 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
merge revision(s) 67270: [Backport #15670]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_5@67707 b2dd03c8-39d4-4d8f-98ff-823fe69b080e