contract D { function f() public pure returns (uint256) { return 7; } } contract C { function diff() public pure returns (uint256 remainder) { bytes memory a = type(D).creationCode; bytes memory b = type(D).runtimeCode; assembly { remainder := mod(sub(b, a), 0x20) } } } // ==== // compileViaYul: also // ---- // diff() -> 0 # This checks that the allocation function pads to multiples of 32 bytes #