From 2ab41ec1f71f405f7e718db2f11acbc010862b0d Mon Sep 17 00:00:00 2001
From: Jesse McCarthy <git_commits@jessemccarthy.net>
Date: Thu, 30 Jul 2015 22:16:04 -0400
Subject: [PATCH] Break loop as soon as change detected.

---
 .../src/transformation/transformers/internal/block-hoist.js  | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/packages/babel/src/transformation/transformers/internal/block-hoist.js b/packages/babel/src/transformation/transformers/internal/block-hoist.js
index ef611fe7fd..5cee32309e 100644
--- a/packages/babel/src/transformation/transformers/internal/block-hoist.js
+++ b/packages/babel/src/transformation/transformers/internal/block-hoist.js
@@ -26,7 +26,10 @@ export var visitor = {
       var hasChange = false;
       for (var i = 0; i < node.body.length; i++) {
         var bodyNode = node.body[i];
-        if (bodyNode && bodyNode._blockHoist != null) hasChange = true;
+        if (bodyNode && bodyNode._blockHoist != null) {
+          hasChange = true;
+          break;
+        }
       }
       if (!hasChange) return;