1 files changed, 20 insertions, 0 deletions
diff --git a/libyul/optimiser/ASTWalker.cpp b/libyul/optimiser/ASTWalker.cpp
index 0d568007..6adcb2e1 100644
--- a/libyul/optimiser/ASTWalker.cpp
+++ b/libyul/optimiser/ASTWalker.cpp
@@ -93,6 +93,16 @@ void ASTWalker::operator()(Block const& _block)
 	walkVector(_block.statements);
 }
 
+void ASTWalker::visit(Statement const& _st)
+{
+	boost::apply_visitor(*this, _st);
+}
+
+void ASTWalker::visit(Expression const& _e)
+{
+	boost::apply_visitor(*this, _e);
+}
+
 void ASTModifier::operator()(FunctionalInstruction& _instr)
 {
 	walkVector(_instr.arguments | boost::adaptors::reversed);
@@ -155,3 +165,13 @@ void ASTModifier::operator()(Block& _block)
 {
 	walkVector(_block.statements);
 }
+
+void ASTModifier::visit(Statement& _st)
+{
+	boost::apply_visitor(*this, _st);
+}
+
+void ASTModifier::visit(Expression& _e)
+{
+	boost::apply_visitor(*this, _e);
+}