https://clang.llvm.org/docs/MSVCCompatibility.html

scoop
    llvm

issues
https://stackoverflow.com/questions/42256526/clang-on-windows-installed-via-scoop-is-unable-to-find-headers

2018
http://blog.llvm.org/2018/03/clang-is-now-used-to-build-chrome-for.html