1 files changed, 1 insertions, 0 deletions
diff --git a/src/wasm-s-parser.h b/src/wasm-s-parser.h
index adad3949e..8a9681cd9 100644
--- a/src/wasm-s-parser.h
+++ b/src/wasm-s-parser.h
@@ -90,6 +90,7 @@ public:
     } else {
       o << e.str_.str;
     }
+    return o;
   }
 };