rubyspec/rubyspec — pull request #191 by tychobrailleur (2013-03-30 08:14:07+00:00)
Title: Check $! after Dir.exists? returns false.

When `Dir.exists?` returns false, no exception should be thrown, and `$!` should not be set. See also https://jira.codehaus.org/browse/JRUBY-7134.