pragma abicoder v2; contract C { struct S { uint256 a; uint256[] b; } function f() public pure returns (S memory) { S memory s; s.a = 8; s.b = new uint256[](3); s.b[0] = 9; s.b[1] = 10; s.b[2] = 11; return abi.decode(abi.encode(s), (S)); } } // ==== // compileViaYul: also // ---- // f() -> 0x20, 0x8, 0x40, 0x3, 0x9, 0xa, 0xb