From ccfc69bc01f1d48a1845346baedf5ec126f17439 Mon Sep 17 00:00:00 2001
From: Doug Kearns <dougkearns@gmail.com>
Date: Tue, 23 Jun 2015 23:57:26 +1000
Subject: [PATCH] Fix :set <no-arg>.

Args needs a working length property. Reverts change in 7ee5792.

Despite grave warnings of impending performance doom there seems to be
no penalty for using __proto__ here.
---
 common/modules/commands.jsm | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/common/modules/commands.jsm b/common/modules/commands.jsm
index 67c82ac1..f1929297 100644
--- a/common/modules/commands.jsm
+++ b/common/modules/commands.jsm
@@ -331,8 +331,9 @@ var Command = Class("Command", {
     }),
 
     newArgs: function newArgs(base) {
-        let res = Object.create(this.argsPrototype);
+        let res = [];
         update(res, base);
+        res.__proto__ = this.argsPrototype;
         return res;
     },