The library macros are safe and can't cause any issues, so I'm happy for them to go on the branch.
I can think of at least two that aren't implemented on the branch: <experimental/any> and the std::is_final trait (although I'd be OK with the trait going on the branch too). ----- Original Message ----- From: "Jason Merrill" <ja...@redhat.com> To: "Ed Smith-Rowland" <3dw...@verizon.net>, "Jonathan Wakely" <jwak...@redhat.com> Cc: gcc-patches@gcc.gnu.org, "thiago macieira" <thiago.macie...@intel.com> Sent: Thursday, 2 October, 2014 4:40:03 PM Subject: Re: feature-testing macros for 4.9 On 10/02/2014 10:58 AM, Ed Smith-Rowland wrote: > We've had a request from someone that we include SD-6 feature testing > for gcc-4.9. > It seems rather heavy for a backport but it might make maintainers of > large C++ libraries happy ;-) and it might make sense as people migrate > from 4.9 to 5.0 to see what we've added. I'm open to that. Jason
