On Feb 2, 2012, at 2:41 PM, Abramo Bagnara wrote:
> Il 02/02/2012 23:27, Richard Smith ha scritto:
>>
>>
>> Yes, absolutely. As in my original example:
>>
>> enum E { n = 2 };
>> E e = (E)5;
>>
>> Here, I think that (E)5 is not a constant expression, but (E)3 is.
>> Possibly we're in violent agreement about that?
>
> My reading of the standard confirms that: the value of (E)5 is defined
> "unspecified" and there is no warranty that (int)(E)5 is equal to 5.
If the value is merely unspecified, then it's still a constant expression
under the DR1313 wording.
John.
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