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// { dg-do assemble  }

// { dg-options "-fexceptions -O -S" }

extern "C" int printf (const char *, ...);

extern "C" int atoi (const char *);

extern "C" void exit (int);

struct Exception

 {

     int v;

     Exception(int i) { v = i; };

 };

 void inc(int &i)

 {

     try {

         if (i == 0)

             throw Exception(i);

         else

             i++;

     }

     catch (Exception v) {

         i = v.v;

     }

 }

main (int argc, const char *argv[])

{

  if (argc != 2)

    {

      printf ("usage: a.out \n");

      exit (1);

    }

  int count = atoi (argv[1]);

  inc (count);

  printf ("success\n");

  exit (0);

}