[Bug c++/51253] [C++11][DR 1030] Evaluation order (sequenced-before relation) among initializer-clauses in braced-init-list

[akim.demaille at gmail dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=51253

--- Comment #15 from Akim Demaille <akim.demaille at gmail dot com> ---
(In reply to Jonathan Wakely from comment #13)
> (In reply to Akim Demaille from comment #10)
> >   auto t = std::make_tuple(incr(), incr());
> 
> That's not an initializer-list, it's a function call, so the order of
> evaluation is not specified and that example is not relevant AFAICT.

Yes, you are right, I had also realized that afterwards.  It would be
nice though if the standard could ensure that perfect forwarding could
preserve the guarantee on left-to-right "upward": convenience functions,
that wrap constructors for instance, could still be used safely.