Use &.
instead of modifier if
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@63620 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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@ -151,7 +151,7 @@ module TestParallel
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rescue Timeout::Error
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Process.kill(:KILL, @test_pid) if @test_pid
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ensure
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@test_out.close if @test_out
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@test_out&.close
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end
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end
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