[
  {
    "description": "tests mstore and msize roundtrip",
    "source": [
      "PUSH1",
      "0x04",
      "PUSH1",
      "0x03",
      "MSTORE",
      "MSIZE"
    ],
    "code": "0x600460035259",
    "result": {
      "stack": [
        "0x40"
      ],
      "memory": []
    }
  }
]
Include roundtrip test for MSIZE
Include roundtrip test for MSIZE
