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

[andi-gcc at firstfloor dot org]

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

--- Comment #30 from Andi Kleen <andi-gcc at firstfloor dot org> ---
Please don't invent your own syntax for this. Use the one that has been widely
deployed for years. Thanks.