add chainid and selfbalance to lllc

liblangutil/EVMVersion.cpp

@@ -40,6 +40,10 @@ bool EVMVersion::hasOpcode(Instruction _opcode) const
 		return hasCreate2();
 	case Instruction::EXTCODEHASH:
 		return hasExtCodeHash();
+	case Instruction::CHAINID:
+		return hasChainID();
+	case Instruction::SELFBALANCE:
+		return hasSelfBalance();
 	default:
 		return true;
 	}

liblangutil/EVMVersion.h

@@ -84,6 +84,8 @@ public:
 	bool hasBitwiseShifting() const { return *this >= constantinople(); }
 	bool hasCreate2() const { return *this >= constantinople(); }
 	bool hasExtCodeHash() const { return *this >= constantinople(); }
+	bool hasChainID() const { return *this >= istanbul(); }
+	bool hasSelfBalance() const { return *this >= istanbul(); }
 
 	bool hasOpcode(dev::eth::Instruction _opcode) const;