2021
https://devblogs.microsoft.com/oldnewthing/20211206-00/?p=106002
    https://godbolt.org/z/TWzM41YME
      #include <immintrin.h>

      // Print any macro it'll look all nice.
      #print_macro _mm512_maskz_shuffle_ps

      // Print the current value of a macro and error.

      #define CONTOSO_VERSION 301

      #if CONTOSO_VERSION != 314
      #print_macro CONTOSO_VERSION
      #error CONTOSO_VERSION must equal 314
      #endif