PR 58148 patch

[Paolo Carlini]

On 08/27/2013 10:34 PM, François Dumont wrote:
>
>     As you seem to be more concern by the usage of experimental 
> std::common_type than by the usage of const volatile void*I would like 
> to propose the attached patch.
I don't think we should do that either. For example, if we are using 
std::less & co to accommodate for segmented memory etc, I don't think we 
should reduce all sorts of pointers to void* pointers, otherwise we 
could as well use < & co. No, for 4.9.0 let's do something simple and safe.

Paolo.