On Tue, Sep 13, 2016 at 4:03 AM, Jakub Jelinek <ja...@redhat.com> wrote: > This patch implements the P0028R4 C++17 enhancement. > First I found a bug in the C++11 std attribute handling, where > [[bitand, bitand::foo]] has been allowed, but not [[foo::bitand]] > (i.e. the identifier after :: accepted only non-keyword and keyword > identifiers > but not alternative tokens, while the first identifier accepted both). > > As mentioned privately, I think there is an inconsistency in the current > C++17 draft, where keywords/alternative tokens are allowed only in > attribute-token, but not in in attribute-using-prefix's attribute-namespace. > The second testcaser in the last function includes a testcase of this and > cp_parser_std_attribute_spec has such addition commented out, so it is easy > to change afterwards.
Let's go ahead and support it now, this is just a wording oversight. I've emailed the committee about it. OK with that change. Jason