fixup! lib: add SafeArray to primordials and use it for FreeList

Author: ExE-Boss

lib/internal/per_context/primordials.js

@@ -471,15 +471,17 @@ primordials.SafeArray = makeSafe(
   },
   primordials.ArrayIteratorPrototypeNext,
   {
+    __proto__: null,
     // Many of the array methods have a length of 0 and return
     // a primitive or an iterable that isn't an iterator, which breaks
     // the assumptions about which methods return iterators in `makeSafe`
     iteratorMethods: ['entries', 'keys', 'values', SymbolIterator],
     // `Array` doesn't have a `Symbol.toStringTag` by default
     prototypeProperties: {
-      [SymbolToStringTag]: { value: 'SafeArray' }
-    }
-  }
+      __proto__: null,
+      [SymbolToStringTag]: { __proto__: null, value: 'SafeArray' },
+    },
+  },
 );
 primordials.SafeMap = makeSafe(
   Map,