From 4b5a284efbcb545e0055caf15b28cdb2c61db45f Mon Sep 17 00:00:00 2001
From: Sebastian McKenzie <sebmck@gmail.com>
Date: Thu, 12 Nov 2015 14:24:26 -0800
Subject: [PATCH] fix unknown helper message - fixes #3025

---
 packages/babel-helpers/src/index.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/packages/babel-helpers/src/index.js b/packages/babel-helpers/src/index.js
index 96a5b4cb10..8e9f5ccfd2 100644
--- a/packages/babel-helpers/src/index.js
+++ b/packages/babel-helpers/src/index.js
@@ -2,7 +2,7 @@ import helpers from "./helpers";
 
 export function get(name) {
   let fn = helpers[name];
-  if (!fn) throw ReferenceError;
+  if (!fn) throw new ReferenceError(`Unknown helper ${name}`);
 
   return fn().expression;
 }