Add positioning for multiple assignment error and warning.
Add positioning for multiple assignment error and warning.

[git-p4: change = 66655021]

spt/spitfire,nicksay/spitfire,nicksay/spitfire,youtube/spitfire,youtube/spitfire,spt/spitfire,nicksay/spitfire,youtube/spitfire,nicksay/spitfire,spt/spitfire,spt/spitfire,youtube/spitfire