1int func(int n) { 2 switch (n) { 3 case 1: 4 int x = 123; 5 6 case 2: 7 int y = 456; 8 break; 9 } 10 return x + y; 11} 12 13/*%%* 14unknown identifier 'x' 15unknown identifier 'y' 16*%%*/ 17