librustc: Disallow "unsafe" for external functions#8235

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pcwalton wants to merge 2 commits intorust-lang:masterfrom

pcwalton:unsafe-extern-fns

Commits on Aug 3, 2013

librustc: Introduce a new visitor type based on traits and port syntax to it.
pcwalton
committed
librustc: Disallow "unsafe" for external functions
pcwalton
committed