Clear error messages before process and get errors. [ruby-dev:43791] [Bug #4879]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@32076 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Clear error messages before process and get errors. [ruby-dev:43791] [Bug #4879]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@32076 b2dd03c8-39d4-4d8f-98ff-823fe69b080e