[cs] Applied patch from issue #1609; fixed hash on 64-bit


git-svn-id: http://haxe.googlecode.com/svn/trunk@6401 f16182fa-f095-11de-8f43-4547254af6c6
[cpp] Fixed issue #1665 ; Temporarily disabled DCE to find issues obscured by it


git-svn-id: http://haxe.googlecode.com/svn/trunk@6402 f16182fa-f095-11de-8f43-4547254af6c6