diff --git a/src/parsing/parser.cc b/src/parsing/parser.cc
index 66241e1a11..95ec0992f5 100644
--- a/src/parsing/parser.cc
+++ b/src/parsing/parser.cc
@@ -7001,6 +7001,12 @@ Statement* ParserTraits::FinalizeForOfStatement(ForOfStatement* loop, int pos) {
   return final_loop;
 }
 
+#ifdef DEBUG
+void Parser::Print(AstNode* node) {
+  ast_value_factory()->Internalize(Isolate::Current());
+  node->Print(Isolate::Current());
+}
+#endif  // DEBUG
 
 }  // namespace internal
 }  // namespace v8
diff --git a/src/parsing/parser.h b/src/parsing/parser.h
index 3f2c488f09..268017bf30 100644
--- a/src/parsing/parser.h
+++ b/src/parsing/parser.h
@@ -1117,6 +1117,10 @@ class Parser : public ParserBase<ParserTraits> {
   HistogramTimer* pre_parse_timer_;
 
   bool parsing_on_main_thread_;
+
+#ifdef DEBUG
+  void Print(AstNode* node);
+#endif  // DEBUG
 };