1  /* Test UCNs are allowed in preprocessing numbers.  */
       2  /* { dg-do compile } */
       3  /* { dg-options "-std=c99" } */
       4  
       5  #define a(x) b(x)
       6  #define b(x) 0
       7  #define p )
       8  int c = a(0\u00c0.p);