text: /* Test for hex floating point constants: in C99 only.  Preprocessor test.  */
  /* Origin: Joseph Myers <jsm28@cam.ac.uk> */
  /* { dg-do run } */
  /* { dg-options "-std=iso9899:1990 -pedantic-errors" } */
  
  #define f (
  #define l )
  #define str(x) #x
  #define xstr(x) str(x)
  
  /* C90: "0x1p+( 0x1p+)"; C99: "0x1p+f 0x1p+l" */
  const char *s = xstr(0x1p+f 0x1p+l);
  
  extern void abort (void);
  extern int strcmp (const char *, const char *);
  
  int
  main (void)
  {
    if (strcmp (s, "0x1p+( 0x1p+)"))
      abort ();
    else
      return 0; /* Correct C90 behaviour.  */
  }
  