Using __STDC_VERSION__ macro

[David Brown]

On 03/02/17 10:31, Mason wrote:
> On 02/02/2017 14:56, Jonathan Wakely wrote:
> 
>> On 2 February 2017 at 13:55, Mason wrote:
>>
>>> Should we open an enhancement request on the bugzilla?
>>
>> Yes please.
> 
> https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79346
> -Wundef should not warn for standard macros
> 
> 

I updated the bug with the white-list candidates for C++ from Jonathan.