[Bug c/59850] Support sparse-style pointer address spaces (type attributes)

[tromey at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=59850

--- Comment #25 from Tom Tromey <tromey at gcc dot gnu.org> ---
(In reply to Manuel López-Ibáñez from comment #24)

> There is a patch for GCC that was basically approved in January:
> https://gcc.gnu.org/ml/gcc-patches/2014-01/msg01284.html
> 
> I am not sure why it hasn't been committed yet.

I'm going to submit the fixed up version this week.