gcc/testsuite/gcc.c-torture/execute/pr41935.c

   1 /* PR middle-end/41935 */
   2
   3 extern void abort (void);
   4
   5 long int
   6 foo (int n, int i, int j)
   7 {
   8   typedef int T[n];
   9   struct S { int a; T b[n]; };
  10   return __builtin_offsetof (struct S, b[i][j]);
  11 }
  12
  13 int
  14 main (void)
  15 {
  16   typedef int T[5];
  17   struct S { int a; T b[5]; };
  18   if (foo (5, 2, 3)
  19       != __builtin_offsetof (struct S, b) + (5 * 2 + 3) * sizeof (int))
  20     abort ();
  21   if (foo (5, 5, 5)
  22       != __builtin_offsetof (struct S, b) + (5 * 5 + 5) * sizeof (int))
  23     abort ();
  24   return 0;
  25 }