[clang] Issue #162051: [X86][Clang] VectorExprEvaluator::VisitCallExpr / InterpretBuiltin - add AVX512 KTEST/KORTEST intrinsics to be used in constexpr (PR #166103)

[Roberto Turrado Camblor via cfe-commits]

rturrado wrote:

I have left a couple of TODOs on purpose. They are more a question to reviewers. I didn't know:
1) If I had to check for a carry/zero flag as a result of a kortestc/kortestz operation, respectively.
2) And if so, how to do it.

https://github.com/llvm/llvm-project/pull/166103