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From: Peter Dimov (pdimov_at_[hidden])
Date: 2002-04-15 12:00:14

From: "David Abrahams" <david.abrahams_at_[hidden]>
> that can resolve overloads to functions accepting elipsis arguments
> without invoking the copy constructor of the actual argument. This is
> nonconforming behavior AFAICT but most compilers seem to allow it, and
> it's what allows is_convertible<T,U> to work when T is noncopyable.

It's undefined behavior to pass a non-POD class type to an ellipsis.

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