[Bug other/61321] demangler crash on casts in template parameters

[palves at redhat dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61321

--- Comment #8 from Pedro Alves <palves at redhat dot com> ---
The patch was meanwhile approved:

 https://gcc.gnu.org/ml/gcc-patches/2014-11/msg01247.html

I'm afraid I won't have time to get back to this for at least a few weeks.
If someone else could push it, I'd appreciated it.