[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 #32 from Tom Tromey <tromey at gcc dot gnu.org> ---
(In reply to Tom Tromey from comment #31)

> force, adddress_space, and noderef are the final 5 commits on the branch.

Err, 8 commits.