Recursive SymbolNames solved.

[Stefan Koch via Digitalmars-d-announce]

On Wednesday, 8 June 2016 at 13:28:19 UTC, Stefan Koch wrote:
> Hi, I solved the issue.
> PR is coming shortly.

Solution is as follows:

Keep a list of already visited symbols in the mangler.
And information where we store the mangle.
meaning the position in the mangle string.
If a symbol is encountered for the second time store a 
backrefernce rather then the symbol name again.