boost::fiber 1.64.0 fails to compile with Visual Studio v140_xp toolchain about fiber HOT 6 CLOSED

I've no idea - I don't use Windows/MSVC for development. The compiler output shows a problem with boost's intrusive list.

MSVC-14.0 seams to pass the unit-tests if you look at http://www.boost.org/development/tests/develop/developer/summary.html. So I guess the problem is related to your environment (boost installation?).

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compiles on Windows/MSVC-14.0/1 as showed in the boost regression tests and reports of other testers (related to boost release)

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I got the same problem and error message when using Boost::Beast. Were you able to fix this issue?

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it is a problem of boost.intrusive:
boost/intrusive/detail/parent_from_member.hpp(52): error C2338: sizeof(caster) == sizeof(int)

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The issue is caused by the "cxxflags=/vmg" parameter that is used for the MSVC.
They were able to fix this issue in boost beast:
boostorg/beast#1270

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Still happening with boost 1.74 and VS2019 with /vmg, fiber is the only boost component in vcpkg which failing to compile with that option

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