http://gcc.gnu.org/bugzilla/show_bug.cgi?id=57440

--- Comment #2 from DrD <demonskull1 at gmail dot com> ---
(In reply to Jonathan Wakely from comment #1)
> (In reply to DrD from comment #0)
> >         // ... launch the threads
> >         vector<std::future<double> > values;
> >         for (uint w=0; w<nThreads; ++w) {
> >             values.push_back(std::async(TestFutures));
> >         }
> 
> One quick comment, without analysing the issue:
> 
> No threads are launched in your program.  Currently GCC's std::async always
> behaves as std::async(std::launch::deferred, ...) so to run in a new thread
> you need to explicitly call std::async(std::launch::async, TestFutures)

Oh! thank you very much for the tip!

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