1  /* PR preprocessor/69869 */
       2  /* { dg-do preprocess } */
       3  /* { dg-options "-traditional-cpp" } */
       4  
       5  #define C(a,b)a/**/b
       6  C (foo/,**/)
       7  C (foo/,*)
       8  /* { dg-error "-:unterminated comment" "" {target "*-*-*"} .-1 } */