1  /* Test C2x UTF-8 characters.  Test not accepted for C11.  */
       2  /* { dg-do compile } */
       3  /* { dg-options "-std=c11 -pedantic-errors" } */
       4  
       5  #define z(x) 0
       6  #define u8 z(
       7  unsigned char a = u8'a');