Fix: Segfaults connected to paramater types.

parameterTypes does not return by const reference anymore.

4 files changed, 10 insertions, 10 deletions

diff --git a/libsolidity/analysis/TypeChecker.cpp b/libsolidity/analysis/TypeChecker.cpp
index 851266bd..425f9299 100644
--- a/libsolidity/analysis/TypeChecker.cpp
+++ b/libsolidity/analysis/TypeChecker.cpp
@@ -950,7 +950,7 @@ bool TypeChecker::visit(FunctionCall const& _functionCall)
 	else
 		_functionCall.annotation().type = make_shared<TupleType>(functionType->returnParameterTypes());
 
-	TypePointers const& parameterTypes = functionType->parameterTypes();
+	TypePointers parameterTypes = functionType->parameterTypes();
 	if (!functionType->takesArbitraryParameters() && parameterTypes.size() != arguments.size())
 	{
 		string msg =
@@ -1079,7 +1079,7 @@ void TypeChecker::endVisit(NewExpression const& _newExpression)
 			);
 
 		auto contractType = make_shared<ContractType>(*contract);
-		TypePointers const& parameterTypes = contractType->constructorType()->parameterTypes();
+		TypePointers parameterTypes = contractType->constructorType()->parameterTypes();
 		_newExpression.annotation().type = make_shared<FunctionType>(
 			parameterTypes,
 			TypePointers{contractType},
diff --git a/libsolidity/codegen/ExpressionCompiler.cpp b/libsolidity/codegen/ExpressionCompiler.cpp
index a090a28c..dcdab2a7 100644
--- a/libsolidity/codegen/ExpressionCompiler.cpp
+++ b/libsolidity/codegen/ExpressionCompiler.cpp
@@ -85,7 +85,7 @@ void ExpressionCompiler::appendStateVariableAccessor(VariableDeclaration const&
 	CompilerContext::LocationSetter locationSetter(m_context, _varDecl);
 	FunctionType accessorType(_varDecl);
 
-	TypePointers const& paramTypes = accessorType.parameterTypes();
+	TypePointers paramTypes = accessorType.parameterTypes();
 
 	// retrieve the position of the variable
 	auto const& location = m_context.storageLocationOfVariable(_varDecl);
@@ -380,7 +380,7 @@ bool ExpressionCompiler::visit(FunctionCall const& _functionCall)
 	else
 		functionType = dynamic_pointer_cast<FunctionType const>(_functionCall.expression().annotation().type);
 
-	TypePointers const& parameterTypes = functionType->parameterTypes();
+	TypePointers parameterTypes = functionType->parameterTypes();
 	vector<ASTPointer<Expression const>> const& callArguments = _functionCall.arguments();
 	vector<ASTPointer<ASTString>> const& callArgumentNames = _functionCall.names();
 	if (!functionType->takesArbitraryParameters())
diff --git a/solc/CommandLineInterface.cpp b/solc/CommandLineInterface.cpp
index 376196e1..fe760fdf 100644
--- a/solc/CommandLineInterface.cpp
+++ b/solc/CommandLineInterface.cpp
@@ -278,9 +278,9 @@ void CommandLineInterface::handleGasEstimation(string const& _contract)
 				gas = GasEstimator::functionalEstimation(*items, entry, *it);
 			FunctionType type(*it);
 			cout << "   " << it->name() << "(";
-			auto end = type.parameterTypes().end();
-			for (auto it = type.parameterTypes().begin(); it != end; ++it)
-				cout << (*it)->toString() << (it + 1 == end ? "" : ",");
+			auto paramTypes = type.parameterTypes();
+			for (auto it = paramTypes.begin(); it != paramTypes.end(); ++it)
+				cout << (*it)->toString() << (it + 1 == paramTypes.end() ? "" : ",");
 			cout << "):\t" << gas << endl;
 		}
 	}
diff --git a/solc/jsonCompiler.cpp b/solc/jsonCompiler.cpp
index cb3eeefd..a5d86aad 100644
--- a/solc/jsonCompiler.cpp
+++ b/solc/jsonCompiler.cpp
@@ -103,9 +103,9 @@ Json::Value estimateGas(CompilerStack const& _compiler, string const& _contract)
 				gas = GasEstimator::functionalEstimation(*items, entry, *it);
 			FunctionType type(*it);
 			string sig = it->name() + "(";
-			auto end = type.parameterTypes().end();
-			for (auto it = type.parameterTypes().begin(); it != end; ++it)
-				sig += (*it)->toString() + (it + 1 == end ? "" : ",");
+			auto paramTypes = type.parameterTypes();
+			for (auto it = paramTypes.begin(); it != paramTypes.end(); ++it)
+				sig += (*it)->toString() + (it + 1 == paramTypes.end() ? "" : ",");
 			sig += ")";
 			internalFunctions[sig] = gasToJson(gas);
 		}