RFC: new __cxa_demangle

[Martin Sebor]

Benjamin Kosnik wrote:
...
> 
> Because the new implementation of __cxa_demangle uses std::string
> instead of dyn_string, there are dependencies on libstdc++ that are
> difficult to untangle.

FWIW, it would be nice to have a demangler that other implementations
of the C++ Standard library could use :) I realize that it would mean
abandoning things like std::string and probably allocators, but IMHO,
a less C++-like interface to the demangler would not be inappropriate.

Regards
Martin