https://www.boost.org/users/history/version_1_72_0.html documents a
"Known Issue" and has a revert patch for an issue that causes code to
fail to compile that includes the coroutine function. Without this
patch, code which includes the asymmetric_coroutine.hpp will fail to
compile.
Signed-off-by: Andrew Geissler <geissonator@gmail.com> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org> Signed-off-by: Steve Sakoman <steve@sakoman.com>