Additions to v3 (uv & vw)

Hi Casey,

Any chance of a change to the additions you made yesterday on the v3 union.

I've no idea why VS has no problem but for me compiling with llvm, the redeclare of Ignored0_ is causing errors.

Edited by Jez on
Miblo brought it up on the pre-stream, so it got fixed! Should be in day 111's source.

- Casey