This trick was introduced to work around a compiler bug in msvc 2017, which abseil doesn't support anymore: https://github.com/google/oss-policies-info/blob/3aa4b98f497fdfac983b8de78cf6bd693cb0cf4f/foundational-cxx-support-matrix.md

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Change-Id: I332c1b359b75811536ce900d3166979ac3c196a3