Function pointers/delegates default args were stealth removed?

[Walter Bright]

On 8/26/2012 9:25 PM, Chris Cain wrote:
> On Monday, 27 August 2012 at 04:01:10 UTC, Walter Bright wrote:
>> What happens with the name mangling? What about overloading? template type
>> deduction? type specialization? type equivalence? type covariance?
>
> Name mangling: Without knowing enough about compiler making, I'm not sure why it
> matters. I couldn't answer, sorry.

The mangled names have a 1:1 correspondence with types. A mangled name can, for 
example, be reversed into a type.

If default args form part of the type, then they'll have to be mangled in, too. 
This causes a rather long list of substantial problems.