Boost\libs\heap\test failed due to error C2300 on MSVC

[QuellaZhang]

Issue description: Found Boost\libs\heap\test https://github.com/boostorg/boost/commit/a61709cb7383c88a6d9ff0acc3c7d674623e88ad build error C2300 in a future release of MSVC, version https://github.com/boostorg/heap/commit/4843f7af37ef06a0656be64e20206a3e8d1465d0 is passed. Could you please take a look?

Reproduce steps:

1. git clone -c core.autocrlf=true --recursive ​https://github.com/boostorg/boost.git Boost\src
2. open a VS 2017 x64 command prompt and browse to Boost\src
3. .\bootstrap
4. .\b2 headers variant=release --build-dir=..\out\x64rel address-model=64
5. .\b2 variant=release --build-dir=..\out\x64rel address-model=64
6. .\b2 -j4 variant=release --build-dir=..\out\x64rel libs\heap\test

ErrorMessage: mutable_heap_test.cpp .\boost/heap/detail/heap_node.hpp(145): error C2300: 'boost::heap::detail::parent_pointing_heap_node': class does not have a destructor called '~Node' .\boost/heap/detail/heap_node.hpp(142): note: while compiling class template member function 'void boost::heap::detail::node_disposer<boost::heap::detail::heap_node<value_type,true>,boost::heap::detail::heap_node_base,Alloc>::operator ()(NodeBase )' with [ value_type=binomial_heap_data, Alloc=std::allocator<boost::heap::detail::parent_pointing_heap_node>, NodeBase=boost::heap::detail::heap_node_base ] .\boost/intrusive/list.hpp(754): note: see reference to function template instantiation 'void boost::heap::detail::node_disposer<boost::heap::detail::heap_node<value_type,true>,boost::heap::detail::heap_node_base,Alloc>::operator ()(NodeBase )' being compiled with [ value_type=binomial_heap_data, Alloc=std::allocator<boost::heap::detail::parent_pointing_heap_node>, NodeBase=boost::heap::detail::heap_node_base ]

[glenfe]

Thanks. I've created #29.

[glenfe]

Fixed in develop.