Re: [boost] [config] msvc-14.1 and C++14 constexpr

Subject: Re: [boost] [config] msvc-14.1 and C++14 constexpr
From: Peter Dimov (lists_at_[hidden])
Date: 2017-03-13 22:22:38

John Maddock wrote:

> So.... MSVC-14.1 (2017) sort of supports C++14 constexpr. However, it is 
> also prone to internal compiler errors, and currently does not compile 
> config_test.cpp unless we set BOOST_NO_CXX14_CONSTEXPR.  Does anyone have 
> a view on which way this macro should be set?

Even C++11 constexpr doesn't quite work. I just tried mp11's tests and the 
constexpr implementation of

https://github.com/pdimov/mp11/blob/master/include/boost/mp11/detail/mp_count.hpp

still doesn't compile.