Subway2023

There is no **.gcno** file after compiling Solidity compiler with the coverage switch ON. And, there is no **.gcda** file after executing solc.

[EmptyByteArrayCopy](https://soliditylang.org/blog/2020/10/19/empty-byte-array-copy-bug/) also have the problem ```solidity contract C { bytes data; function f() public returns (bytes memory) { // Empty byte array bytes memory t; // Store something else in...