6. [10] The following C code is intended to count the number of 1s in the bit representation of x. However, some value(s) of x will cause an infinite loop: int popCount (int x) ( int result 0; do t result +x & 0x1; while (x); return result; Which value(s) of x will cause the code to loop infinitely? No need to values; please generalize instead and explain your answer: list all of the