Warning: Unused local variable.
  --> yul_optimizer_steps_without_optimize_empty_sequence/input.sol:13:9:
   |
13 |         uint b = a;
   |         ^^^^^^

Warning: Unused local variable.
  --> yul_optimizer_steps_without_optimize_empty_sequence/input.sol:14:9:
   |
14 |         uint c = a;
   |         ^^^^^^
