1  /* { dg-do run } */
       2  /* Tests we stringify without changing unprintable characts.  
       3  
       4     Andrew Pinski */
       5  
       6  extern int strcmp (const char *, const char *);
       7  #if DEBUG
       8  extern int puts (const char *);
       9  #else
      10  #define puts(X)
      11  #endif
      12  extern void abort (void);
      13  #define err(str) do { puts(str); abort(); } while (0)
      14  
      15  
      16  #define S(X) S2(X)
      17  #define S2(X) #X
      18  #define TAB "	" /* Note there is a tab character here. */
      19  
      20  int main (int argc, char *argv[])
      21  {
      22    /* The space before "bar" here is vital.  */
      23    char a[] = S(S(TAB));
      24  
      25    if (strcmp (a, "\"\\\"	\\\"\""))
      26      err ("stringification caused octal");
      27  
      28    return 0;
      29  }