1  /* { dg-do preprocess } */
       2  /* { dg-options "-std=c11 -pedantic" { target c } } */
       3  /* { dg-options "-std=c++11 -pedantic" { target c++ } } */
       4  
       5  ¨ /* { dg-error "is not valid in an identifier" "" { target c++ } } */
       6  
       7  B̀
       8  
       9  ̀ /* { dg-error "not valid at the start of an identifier" } */
      10  
      11  À /* { dg-warning "not in NFC" } */
      12  
      13  𐀀
      14  🿽	/* { dg-error "is not valid in an identifier" "" { target c++ } } */
      15  󡈴	/* { dg-error "is not valid in an identifier" "" { target c++ } } */