gcc/testsuite/g++.old-deja/g++.mike/eh1.C

   1 // { dg-do assemble  }
   2 // { dg-options "-fexceptions -O -S" }
   3
   4 extern "C" int printf (const char *, ...);
   5 extern "C" int atoi (const char *);
   6 extern "C" void exit (int);
   7
   8 struct Exception
   9  {
  10      int v;
  11      Exception(int i) { v = i; };
  12  };
  13
  14  void inc(int &i)
  15  {
  16      try {
  17          if (i == 0)
  18              throw Exception(i);
  19          else
  20              i++;
  21      }
  22      catch (Exception v) {
  23          i = v.v;
  24      }
  25  }
  26
  27 main (int argc, const char *argv[])
  28 {
  29   if (argc != 2)
  30     {
  31       printf ("usage: a.out <num>\n");
  32       exit (1);
  33     }
  34   int count = atoi (argv[1]);
  35   inc (count);
  36   printf ("success\n");
  37   exit (0);
  38 }