1  /* { dg-do compile } */
       2  /* { dg-options "-fdump-tree-cfg" } */
       3  /* { dg-require-effective-target alloca } */
       4  
       5  void *alloca (__SIZE_TYPE__);
       6  void link_error ();
       7  
       8  int main (int argc, char *argv[]) {
       9  	char *foo;
      10  	if ((foo = alloca(argc)) == 0)
      11  	  link_error ();
      12  	return 0;
      13  }
      14  /* { dg-final { scan-tree-dump-times "link_error" 0 "cfg" } } */