Do not store elements of a contract by AST node type.

1 files changed, 1 insertions, 1 deletions

diff --git a/libsolidity/analysis/ReferencesResolver.cpp b/libsolidity/analysis/ReferencesResolver.cpp
index 2207fd80..e5b1c52b 100644
--- a/libsolidity/analysis/ReferencesResolver.cpp
+++ b/libsolidity/analysis/ReferencesResolver.cpp
@@ -53,7 +53,7 @@ bool ReferencesResolver::visit(UserDefinedTypeName const& _typeName)
 	return true;
 }
 
-bool ReferencesResolver::resolve(ASTNode& _root)
+bool ReferencesResolver::resolve(ASTNode const& _root)
 {
 	try
 	{