[Bug c++/72708] error on anonymous union in an unnamed namespace

[msebor at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=72708

--- Comment #2 from Martin Sebor <msebor at gcc dot gnu.org> ---
(In reply to Andrew Pinski from comment #1)
> I don't think so.  Static != internal linkage.

Quoting also from [basic.link], paragraph 3, to avoid confusion:

  A name having namespace scope (3.3.6) has internal linkage if it is the name
of

    -- a variable, function or function template that is explicitly declared
static; or, ...

    -- a data member of an anonymous union.