1 /* PR tree-optimization/17512 2 3 We used to try to fold "(char) (X ^ Y)", where '^' is 4 TRUTH_XOR_EXPR into ((char) X ^ (char) Y), creating TRUTH_XOR_EXPR 5 with its operands being of type char, which is invalid. */ 6 7 char foo(int p)8foo (int p) 9 { 10 int q = p; 11 return (p != 0) == (p == q); 12 } 13