pragma abicoder v2; contract C { struct S { int16 a; uint8 b; bytes2 c; } function f(S memory s) public pure returns (uint a, uint b, uint c) { assembly { a := mload(s) b := mload(add(s, 0x20)) c := mload(add(s, 0x40)) } } } // ==== // compileViaYul: also // ---- // f((int16,uint8,bytes2)): 0xffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff01, 0xff, "ab" -> 0xffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff01, 0xff, "ab" // f((int16,uint8,bytes2)): 0xff010, 0xff, "ab" -> FAILURE // f((int16,uint8,bytes2)): 0xffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff01, 0xff0002, "ab" -> FAILURE // f((int16,uint8,bytes2)): 0xffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff01, 0xff, "abcd" -> FAILURE