Re: [boost] [optional] regression failures on Linux teeks

2017-11-05 19:54 GMT+01:00 Daniel James via Boost :

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Hi Lorenzo, Issue 1 is a bug in the implementation of Optional that I introduced a couple of days ago. This has been now reverted, but we will still see the error reports for the next couple of days in the test matrix. Issue 2 seems to be the communication problem between the compiler and

On 5 November 2017 at 13:10, Andrzej Krzemienski via Boost wrote: the

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standard library, but I do not know anything specific.

FWIW I'm getting an error on the develop branch using g++ 4.4 in C++0x mode:

../../boost/optional/optional.hpp:954: error: ‘boost::optional<T>::optional(boost::optional<T>&&)’ cannot be defaulted ../../boost/optional/optional.hpp:1031: error: ‘boost::optional<T>& boost::optional<T>::operator=(boost::optional<T>&&)’ cannot be defaulted

g++ 4.6 doesn't have this issue

Thanks! Apparently, this is the second compiler (in addition to MSVC 12) to expose this property: defaulted functions work in general but not with move operations. I will fix it, but ideally it should be fixed in Boost.Config. Regards, &rzej;