Reduce Array allocations.
Reduce Array allocations.

Before
```
[["rack/lib/rack/utils.rb", 116, :T_ARRAY], [11988, 0, 11663, 0, 2, 463840]]
```

After
```
[["rack/lib/rack/utils.rb", 116, :T_ARRAY], [6002, 0, 5624, 0, 2, 232640]]
```

jeremyf/rack,supzann3/rack,Eric-Guo/rack,rwz/rack,wildjcrt/rack,Eric-Guo/rack,stepri/rack,liamseanbrady/rack,maclover7/rack,fabianrbz/rack,imtayadeway/rack,eins78/rack,rwz/rack,trexnix/rack,laplaceliu/rack,ganmacs/rack,davydovanton/rack,wjordan/rack,gioele/rack,deepj/rack,laplaceliu/rack,davidcelis/rack,liamseanbrady/rack,ganmacs/rack,nmk/rack,eavgerinos/rack,imtayadeway/rack,davydovanton/rack,jackxxu/rack,eavgerinos/rack,akihiro17/rack,stepri/rack,davidcelis/rack,Codeman655/rack,ngpestelos/rack,gioele/rack,AMekss/rack,imtayadeway/rack,supzann3/rack,deepj/rack,ngpestelos/rack,shaneog/rack,davidcelis/rack,fabianrbz/rack,tylergannon/rack,akihiro17/rack,arronmabrey/rack,shaneog/rack,arronmabrey/rack,laplaceliu/rack,keepcosmos/rack,Codeman655/rack,eavgerinos/rack,gfvcastro/rack,tylergannon/rack,davydovanton/rack,keithduncan/rack,zjsxwc/rack,AMekss/rack,maclover7/rack,jackxxu/rack,zjsxwc/rack,Comcast/rack,wildjcrt/rack,keithduncan/rack,ganmacs/rack,gfvcastro/rack,ngpestelos/rack,AMekss/rack,tylergannon/rack,jeremyf/rack,stepri/rack,fabianrbz/rack,jeremyf/rack,Eric-Guo/rack,rwz/rack,keepcosmos/rack,keithduncan/rack,zjsxwc/rack,shaneog/rack,maclover7/rack,eins78/rack,wjordan/rack,jackxxu/rack,wildjcrt/rack,liamseanbrady/rack,trexnix/rack,gioele/rack,arronmabrey/rack,Comcast/rack,akihiro17/rack,gfvcastro/rack,wjordan/rack,eins78/rack,nmk/rack,deepj/rack,nmk/rack,supzann3/rack,Comcast/rack,trexnix/rack,keepcosmos/rack,Codeman655/rack