gcc/testsuite/gcc.dg/torture/pr58417.c

   1 /* { dg-do run } */
   2
   3 long long arr[6] = {0, 1, 2, 3, 4, 5};
   4 extern  void abort (void);
   5 void __attribute__((noinline,noclone))
   6 foo (long long sum)
   7 {
   8   asm ("");
   9 }
  10 int main()
  11 {
  12   int i, n = 5;
  13   long long sum = 0, prevsum = 0;
  14
  15   for(i = 1; i <= n; i++)
  16     {
  17       foo (sum);
  18       sum = (i - 1) * arr[i] - prevsum;
  19       prevsum += arr[i];
  20     }
  21
  22   if (sum != 10)
  23     abort ();
  24   return 0;
  25 }