PR 57779 New debug check

[Paolo Carlini]

On 07/31/2013 09:58 PM, François Dumont wrote:
> Here is another proposal using std::common_type to find out how to 
> instantiate std::less and std::greater_equal. Much easier with C++11 
> features indeed.
>
> Tested under linux x86_64 debug mode.
>
> Ok to commit ?
Ok, thanks!

Paolo.