Re: abi_tag questions

[Stephan Bergmann <sbergman at redhat dot com>]

On 11/04/2015 12:48 PM, Jonathan Wakely wrote:
> On 4 November 2015 at 14:37, Stephan Bergmann <sbergman@redhat.com> wrote:
> > I have two questions regarding the abi_tag attribute (as documented at
> > <https://gcc.gnu.org/onlinedocs/gcc/C_002b_002b-Attributes.html>):
[...]
> > 2  "The argument can be a list of strings of arbitrary length."
> >
> > Does that mean the list can be empty?
> >
> > > void f() __attribute__((__abi_tag__()));
> >
> > fails with "error: wrong number of arguments specified for â__abi_tag__â
> > attribute" while
> >
> > > inline namespace n __attribute__((__abi_tag__())) {}
> >
> > is accepted by recent trunk GCC (as well as older versions).
>
> That seems like a bug.

Filed <https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68257> "Reject empty 
abi_tag attribute on inline namespace" now.