gcc/testsuite/gcc.dg/cleanup-4.c

   1 /* { dg-do run } */
   2 /* { dg-options "" } */
   3 /* Verify cleanup execution on non-trivial exit from a block.  */
   4
   5 extern void exit(int);
   6 extern void abort(void);
   7
   8 static int counter;
   9
  10 static void
  11 handler(int *p)
  12 {
  13   counter += *p;
  14 }
  15
  16 static void __attribute__((noinline))
  17 bar(void)
  18 {
  19 }
  20
  21 static void doit(int n, int n2)
  22 {
  23   int i;
  24   for (i = 0; i < n; ++i)
  25     {
  26       int dummy __attribute__((cleanup (handler))) = i;
  27       if (i == n2)
  28         break;
  29       bar();
  30     }
  31 }
  32
  33 int main()
  34 {
  35   doit (10, 6);
  36   if (counter != 0 + 1 + 2 + 3 + 4 + 5 + 6)
  37     abort ();
  38   return 0;
  39 }