From fc75198fb425916bdb870ff418227178422a2b61 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Mateusz=20Burzy=C5=84ski?= <mateuszburzynski@gmail.com>
Date: Fri, 20 Oct 2017 00:12:57 +0200
Subject: [PATCH] Cloning reused node in class properties transform (#6517)

---
 packages/babel-plugin-transform-class-properties/src/index.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/packages/babel-plugin-transform-class-properties/src/index.js b/packages/babel-plugin-transform-class-properties/src/index.js
index 0fef5b90f6..4ad481877b 100644
--- a/packages/babel-plugin-transform-class-properties/src/index.js
+++ b/packages/babel-plugin-transform-class-properties/src/index.js
@@ -104,7 +104,7 @@ export default function({ types: t }, options) {
                   t.variableDeclarator(ident, propNode.key),
                 ]),
               );
-              propNode.key = ident;
+              propNode.key = t.clone(ident);
             }
 
             instanceBody.push(