const(Class) is mangled as Class const* const

[Walter Bright via Digitalmars-d]

On 3/28/2017 11:12 AM, Jacob Carlborg wrote:
> As far as I understand, D can link with C++ templates if they're instantiated on
> the C++ side. It would link with the instantiated template not the actual template.

Recall that dmd itself connected to C++ templates when the front end was not 
full in D.