1  /* { dg-do preprocess }*/
       2  /* { dg-options "-std=c11 -pedantic-errors" { target c } } */
       3  /* { dg-options "-std=c++17 -pedantic-errors" { target c++ } } */
       4  
       5  #define CALL(F, ...) F (7 __VA_OPT__(,) __VA_ARGS__) /* { dg-error "__VA_OPT__ is not available" } */