How to specialize templates for l-value and non-l-value arguments?

[Roman D. Boiko]

On Thursday, 14 June 2012 at 16:50:43 UTC, bearophile wrote:
> Roman D. Boiko:
>
>>> You have found a compiler bug.
>>
>> Looks like :)
>
> Please report it in bugzilla :-)
>
> Bye,
> bearophile
I want to, just figuring out how to check for duplicates.