Report for issue #447 updated by __141345__

data/__141345__-G.md

@@ -186,17 +186,6 @@ src/lib/token/ERC721Votes.sol
     mapping(address => mapping(uint256 => Checkpoint)) internal checkpoints;
 ```
 
-#### Variables referred multiple times can be cached in local memory
-
-Each storage read uses opcode `sload` which costs 100 gas (warm access), while memory read uses `mload` which only cost 3 gas. ([reference](https://ethereum.org/en/developers/docs/evm/opcodes/))
-Even for a memory struct variable, the member variable access still has overhead. It can be saved further by caching the final result.
-
-
-`proposal.proposer` can be cached.
-src/governance/governor/Governor.sol
-```solidity
-
-```
 
 #### Use bit shift instead of power operation or * 2, / 2
 
@@ -215,4 +204,3 @@ Change the above to
 ```
 
 The demo of the gas comparison can be seen [here](https://github.com/Flame57/gas_demo/blob/main/bit_shift.sol).
-