contract C {
    enum X {A, B}
    X public x;

    function test_store() public returns (uint256) {
        X garbled = X.A;
        assembly {
            garbled := 5
        }
        x = garbled;
        return 1;
    }

    function test_store_ok() public returns (uint256) {
        x = X.A;
        return 1;
    }
}

// ----
// test_store_ok() -> 1
// x() -> 0
// test_store() -> FAILURE # should throw #