added const

2 files changed, 4 insertions, 4 deletions

diff --git a/libsolidity/NameAndTypeResolver.cpp b/libsolidity/NameAndTypeResolver.cpp
index 88cd1e2e..1491068e 100644
--- a/libsolidity/NameAndTypeResolver.cpp
+++ b/libsolidity/NameAndTypeResolver.cpp
@@ -328,12 +328,12 @@ void NameAndTypeResolver::reportFatalDeclarationError(
 	BOOST_THROW_EXCEPTION(FatalError());
 }
 
-void NameAndTypeResolver::reportTypeError(Error _e)
+void NameAndTypeResolver::reportTypeError(Error const& _e)
 {
 	m_errors.push_back(make_shared<Error>(_e));
 }
 
-void NameAndTypeResolver::reportFatalTypeError(Error _e)
+void NameAndTypeResolver::reportFatalTypeError(Error const& _e)
 {
 	reportTypeError(_e);
 	BOOST_THROW_EXCEPTION(FatalError());
diff --git a/libsolidity/NameAndTypeResolver.h b/libsolidity/NameAndTypeResolver.h
index 4fe8dd8c..6f3a4c87 100644
--- a/libsolidity/NameAndTypeResolver.h
+++ b/libsolidity/NameAndTypeResolver.h
@@ -106,9 +106,9 @@ private:
 	void reportFatalDeclarationError(SourceLocation _sourceLocation, std::string const& _description);
 
 	// creates the Declaration error and adds it in the errors list
-	void reportTypeError(Error _e);
+	void reportTypeError(Error const& _e);
 	// creates the Declaration error and adds it in the errors list and throws FatalError
-	void reportFatalTypeError(Error _e);
+	void reportFatalTypeError(const Error& _e);
 
 	DeclarationContainer* m_currentScope = nullptr;
 	ErrorList& m_errors;