From d5f71d4a320f7d7cc961b4ab7087303786171093 Mon Sep 17 00:00:00 2001
From: guybedford <guybedford@gmail.com>
Date: Wed, 6 Jan 2016 00:26:45 +0200
Subject: [PATCH] ensure opts.polyfill = false behaves correctly for
 runtime-transformer

---
 packages/babel-plugin-transform-runtime/src/index.js | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/packages/babel-plugin-transform-runtime/src/index.js b/packages/babel-plugin-transform-runtime/src/index.js
index 70438425c7..6a5e2e4219 100644
--- a/packages/babel-plugin-transform-runtime/src/index.js
+++ b/packages/babel-plugin-transform-runtime/src/index.js
@@ -33,6 +33,8 @@ export default function ({ types: t }) {
           return;
         }
 
+        if (state.opts.polyfill === false) return;
+
         if (t.isMemberExpression(parent)) return;
         if (!has(definitions.builtins, node.name)) return;
         if (scope.getBindingIdentifier(node.name)) return;