message: [ARM64] Remove unused function. NFCI.
diff: @@ -76,19 +76,6 @@ static inline bool IsZero(uint64_t x) { return x == 0; }
  static inline uint64_t NOT(uint64_t x) { return ~x; }
  -#if 0
  -// LSL_C()
  -// =======
  -static inline uint64_t
  -LSL_C (uint64_t x, integer shift, bool &carry_out)
  -{
  - assert (shift >= 0);
  - uint64_t result = x << shift;
  - carry_out = ((1ull << (64-1)) >> (shift - 1)) != 0;
  - return result;
  -}
  -#endif
  -
  // LSL()
  // =====
  