Is there any plans or work going on gcc related to c++ coroutines?

[Avi Kivity]

On 08/18/2017 01:01 PM, Florian Weimer wrote:
> On 08/18/2017 10:51 AM, Andrew Haley wrote:
>> On 17/08/17 16:05, Avi Kivity wrote:
>>> On 08/15/2017 02:30 PM, Jonathan Wakely wrote:
>>>> On 15 August 2017 at 12:29, Xi Ruoyao wrote:
>>>>> On 2017-08-15 12:23 +0100, Jonathan Wakely wrote:
>>>>>> See http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2017/n4680.pdf
>>>>> Oh really C++ is keeping developing new language features :)
>>>>>
>>>>> So would it be implemented in GCC 8?
>>>> Nobody is working on it so probably not.
>>> That's sad, it is such a compelling feature.
>>>
>>> I will probably switch to clang soon, despite losing concepts and a
>>> subjective preference for gcc, because of this feature.
>> I've seen many odd things on the GCC lists, but this is one of the
>> oddest.  Coroutines have been a feature of other programming languages
>> for 50 years, and at no point has anyone thought them worthwhile
>> enough to put them into C or C++.
> There are many coroutine implementations for C in the form of libraries
> or preprocessor hacks.  Details might be a bit iffy, but no one seems to
> have felt a strong need for compiler support so far.
>

Those are for stackful coroutines. Stackless coroutines require compiler 
support.