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// { dg-do run  }
// Testcase for proper handling of rethrow.

#include <stdio.h>

int c, d;
int wrong;

struct A
{
  int i;
  A () { i = c++; printf ("A() %d\n", i); }
  A (const A&) { i = c++; printf ("A(const A&) %d\n", i); }
  ~A() { printf ("~A() %d\n", i); ++d; }
};

struct B
{
  ~B () {
    try
      {
        printf ("Rethrowing III...\n");
        throw;
      }
    catch (A& a)
      {
        printf ("Caught III %d...\n", a.i);
        if (a.i != 1)
          {
            printf ("** rethrew uncaught exception **\n");
            wrong = 1;
          }
      }
    printf ("continuing to unwind II...\n");
  }
};

int
main ()
{
  {
    A a;

    try
      {
        try
          {
            printf ("Throwing I...\n");
            throw a;
          }
        catch (A& a)
          {
            printf ("Caught I %d...\n", a.i);
            try
              {
                B b;
                printf ("Throwing II...\n");
                throw a;
              }
            catch (A& a)
              {
                printf ("Caught II %d...\n", a.i);
                printf ("Throwing IV...\n");
                throw;
              }
          }
      }
    catch (A& a)
      {
        printf ("Caught IV %d.\n", a.i);
      }
  }

  printf ("c == %d, d == %d\n", c, d);
  return c != d || wrong;
}