1 extern void abort (void); 2 3 int foo(int x)4 foo (int x) 5 { 6 if ((int) (x & 0x80ffffff) != (int) (0x8000fffe)) 7 abort (); 8 9 return 0; 10 } 11 12 int main()13 main () 14 { 15 return foo (0x8000fffe); 16 } 17