hyperledger-solang_solang/tests/contract_testcases/polkadot/builtins/block_02.sol

        contract bar {
            function test() public {
                int64 b = block.minimum_balance;

                assert(b == 93_603_701_976_053);
            }
        }
// ---- Expect: diagnostics ----
// error: 4:27-48: implicit conversion would change sign from uint128 to int64