Swift improperly parses some unicode characters

Originator:samus
Number:rdar://17843179 Date Originated:7/29/2014
Status:Closed Resolved:
Product:Xcode Product Version:6 beta 4
Classification: Reproducible:always
 
Not all Unicode emojii is a proper swift variable identifier.  The coffee cup emojii in the following fails to parse.

 let 👩👩☕ = "2 girls 1 cup"

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