On Mon, 16 Oct 2023 at 10:36, Peter Dimov via SG7 <sg7_at_[hidden]> wrote:
> However, the main problem with this is that attributes are currently ignorable,
> and must remain so. Some implementations such as Clang don't store unknown
> attributes in the AST at all, so it's not possible to get to them via reflection.

Surely clang doesn't just toss unknown vendor attributes into the wind?

If it does, then perhaps that's a bug to be fixed.