he/him 
@sebmck Have you considered running test262 against Babel?
@rauschma Already compile them check to see if they're a valid ES5 program (ie. no unnecessary transformations happened).
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@rauschma Last I checked there weren't any ES6 syntax tests in test262 so it's not really relevant, may have changed recently though.Thanks. Twitter will use this to make your timeline better. UndoUndo
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@sebmck Cool. It’d be nice if they could be used to check whether ES6 semantics is implemented correctly.Thanks. Twitter will use this to make your timeline better. UndoUndo
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