From 72c091b63a1f443fdae34e89c821eb0e35eef3ed Mon Sep 17 00:00:00 2001
From: Sebastian McKenzie <sebmck@gmail.com>
Date: Wed, 6 Jan 2016 15:26:00 +0000
Subject: [PATCH] Ensure regenerator option for babel-plugin-transform-runtime
 doesn't cancel out core-js polyfill

---
 packages/babel-plugin-transform-runtime/src/index.js | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/packages/babel-plugin-transform-runtime/src/index.js b/packages/babel-plugin-transform-runtime/src/index.js
index 6a5e2e4219..b40e67ca3a 100644
--- a/packages/babel-plugin-transform-runtime/src/index.js
+++ b/packages/babel-plugin-transform-runtime/src/index.js
@@ -24,11 +24,9 @@ export default function ({ types: t }) {
 
     visitor: {
       ReferencedIdentifier(path, state) {
-        if (state.opts.regenerator === false) return;
-        
         let { node, parent, scope } = path;
 
-        if (node.name === "regeneratorRuntime") {
+        if (node.name === "regeneratorRuntime" && state.opts.regenerator !== false) {
           path.replaceWith(state.get("regeneratorIdentifier"));
           return;
         }