1 files changed, 4 insertions, 4 deletions
diff --git a/js/src/builtin/ReflectParse.cpp b/js/src/builtin/ReflectParse.cpp
index a9c354fa7c..d63c1dd493 100644
--- a/js/src/builtin/ReflectParse.cpp
+++ b/js/src/builtin/ReflectParse.cpp
@@ -3066,20 +3066,20 @@ ASTSerializer::expression(ParseNode* pn, MutableHandleValue dst)
       case PNK_OPTDOT:
       case PNK_DOT:
       {
-        MOZ_ASSERT(pn->pn_pos.encloses(pn->pn_expr->pn_pos));
+        MOZ_ASSERT(pn->pn_pos.encloses(pn->pn_left->pn_pos));
 
         RootedValue expr(cx);
         RootedValue propname(cx);
-        RootedAtom pnAtom(cx, pn->pn_atom);
+        RootedAtom pnAtom(cx, pn->pn_right->pn_atom);
 
         bool isSuper = pn->is<PropertyAccess>() &&
                        pn->as<PropertyAccess>().isSuper();
 
         if (isSuper) {
-            if (!builder.super(&pn->pn_expr->pn_pos, &expr))
+            if (!builder.super(&pn->pn_left->pn_pos, &expr))
                 return false;
         } else {
-            if (!expression(pn->pn_expr, &expr))
+            if (!expression(pn->pn_left, &expr))
                 return false;
         }