{"ast_node_type":"other","tokens":[{"end":48,"kind":"keyword","start":0,"text":"//"}]}
        // TODO(antoyo): make sure it truncates.
    fn fptrunc(&mut self, value: RValue<'gcc>, dest_ty: Type<'gcc>) -> RValue<'gcc> {
        set_rvalue_location(self, self.context.new_cast(self.location, value, dest_ty))