windows template specialization bug (#33076)
Summary:
Pull Request resolved: https://github.com/pytorch/pytorch/pull/33076
attempt at fixing https://github.com/pytorch/pytorch/issues/30886
Test Plan: circleCI with `call "C:\Program Files (x86)\Microsoft Visual Studio\2019\Community\VC\Auxiliary\Build\vcvarsall.bat" x64 -vcvars_ver=14.16` passes
Differential Revision: D19784550
fbshipit-source-id: 9fb42c3854d1d00d96cd7179bef9dd1aa2972ea6
