1 files changed, 5 insertions, 0 deletions
diff --git a/js/src/jsobj.cpp b/js/src/jsobj.cpp
index a39a4b0a0..2e36dcf9f 100644
--- a/js/src/jsobj.cpp
+++ b/js/src/jsobj.cpp
@@ -2936,6 +2936,11 @@ DefineFunctionFromSpec(JSContext* cx, HandleObject obj, const JSFunctionSpec* fs
     if (!PropertySpecNameToId(cx, fs->name, &id))
         return false;
 
+    if (StandardProtoKeyOrNull(obj) == JSProto_Array && id == NameToId(cx->names().values)) {
+        if (!cx->options().arrayProtoValues())
+            return true;
+    }
+
     JSFunction* fun = NewFunctionFromSpec(cx, fs, id);
     if (!fun)
         return false;