merge revision(s) r48854: [Backport #10494]
* test/lib/test/unit.rb: Also rescue EINVAL for older Linux that
raises it in popen. [Bug #10494]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_1@49910 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
merge revision(s) r48854: [Backport #10494]
raises it in popen. [Bug #10494]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_1@49910 b2dd03c8-39d4-4d8f-98ff-823fe69b080e