1 int g1; 2 int g2; 3 foo()4 foo () 5 { 6 int i = 1; 7 int x; 8 9 x = g1; 10 (*(&g1 + i - 1)) = x + 1; 11 x = g1; 12 (*(&g1 + i - 1)) = x + 1; 13 g1++; 14 } 15