1  /* PR debug/43058 */
       2  /* { dg-do compile } */
       3  /* { dg-options "-g -O2" } */
       4  /* { dg-timeout-factor 4 } */
       5  
       6  extern void *f1 (void *, void *, void *);
       7  extern void *f2 (const char *, int, int, int, void *(*) ());
       8  extern void *f3 (const char *);
       9  extern void *f4 (void *s);
      10  extern void *f5 (void *);
      11  
      12  void test (void)
      13  {
      14  #define X1 f1 (f2 ("a", 1, 0, 0, f5), \
      15  	       f4 (({ const char *a = "b"; f3 (a); })), \
      16  	       ({ const char *a = "c"; f3 (a); }));
      17  #define X2 X1 X1 X1 X1 X1 X1 X1 X1 X1 X1
      18  #define X3 X2 X2 X2 X2 X2 X2 X2 X2 X2 X2
      19  #define X4 X3 X3 X3 X3 X3 X3 X3 X3 X3 X3
      20    X4 X4
      21  }