When I run clang --version, I have:
clang --version
Apple LLVM version 8.0.0 (clang-800.0.42.1)
Target: x86_64-apple-darwin16.6.0
Thread model: posix
InstalledDir: /Applications/Xcode_8.2.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin
I’ve also ran “sudo xcode-select -s /Applications/Xcode_8.2.app/Contents/Developer”.