1 files changed, 1 insertions, 4 deletions
diff --git a/js/src/jsapi.cpp b/js/src/jsapi.cpp
index e6fc1f98b..bbf467808 100644
--- a/js/src/jsapi.cpp
+++ b/js/src/jsapi.cpp
@@ -3435,10 +3435,7 @@ JS::NewFunctionFromSpec(JSContext* cx, const JSFunctionSpec* fs, HandleId id)
         {
             return nullptr;
         }
-        JSFunction* fun = &funVal.toObject().as<JSFunction>();
-        if (fs->flags & JSFUN_HAS_REST)
-            fun->setHasRest();
-        return fun;
+        return &funVal.toObject().as<JSFunction>();
     }
 
     RootedAtom atom(cx, IdToFunctionName(cx, id));