Move memberlist to avoid unique_ptr copy.

libsolidity/Types.cpp

@@ -1246,23 +1246,29 @@ MagicType::MagicType(MagicType::Kind _kind):
 	switch (m_kind)
 	{
 	case Kind::Block:
-		m_members = MemberList({{"coinbase", make_shared<IntegerType>(0, IntegerType::Modifier::Address)},
-								{"timestamp", make_shared<IntegerType>(256)},
-								{"blockhash", make_shared<FunctionType>(strings{"uint"}, strings{"bytes32"}, FunctionType::Location::BlockHash)},
-								{"difficulty", make_shared<IntegerType>(256)},
-								{"number", make_shared<IntegerType>(256)},
-								{"gaslimit", make_shared<IntegerType>(256)}});
+		m_members = move(MemberList({
+			{"coinbase", make_shared<IntegerType>(0, IntegerType::Modifier::Address)},
+			{"timestamp", make_shared<IntegerType>(256)},
+			{"blockhash", make_shared<FunctionType>(strings{"uint"}, strings{"bytes32"}, FunctionType::Location::BlockHash)},
+			{"difficulty", make_shared<IntegerType>(256)},
+			{"number", make_shared<IntegerType>(256)},
+			{"gaslimit", make_shared<IntegerType>(256)}
+		}));
 		break;
 	case Kind::Message:
-		m_members = MemberList({{"sender", make_shared<IntegerType>(0, IntegerType::Modifier::Address)},
-								{"gas", make_shared<IntegerType>(256)},
-								{"value", make_shared<IntegerType>(256)},
-								{"data", make_shared<ArrayType>(ArrayType::Location::CallData)},
-								{"sig", make_shared<FixedBytesType>(4)}});
+		m_members = move(MemberList({
+			{"sender", make_shared<IntegerType>(0, IntegerType::Modifier::Address)},
+			{"gas", make_shared<IntegerType>(256)},
+			{"value", make_shared<IntegerType>(256)},
+			{"data", make_shared<ArrayType>(ArrayType::Location::CallData)},
+			{"sig", make_shared<FixedBytesType>(4)}
+		}));
 		break;
 	case Kind::Transaction:
-		m_members = MemberList({{"origin", make_shared<IntegerType>(0, IntegerType::Modifier::Address)},
-								{"gasprice", make_shared<IntegerType>(256)}});
+		m_members = move(MemberList({
+			{"origin", make_shared<IntegerType>(0, IntegerType::Modifier::Address)},
+			{"gasprice", make_shared<IntegerType>(256)}
+		}));
 		break;
 	default:
 		BOOST_THROW_EXCEPTION(InternalCompilerError() << errinfo_comment("Unknown kind of magic."));