From 2ed9416e198ed93ac47ebdca33ac854f35789744 Mon Sep 17 00:00:00 2001
From: Sebastian McKenzie <sebmck@gmail.com>
Date: Sat, 25 Jul 2015 02:16:31 +0100
Subject: [PATCH] check whether the last child is the same node as the one
 we're removing comments from - fixes #2072, fixes #2068

---
 packages/babylon/src/comments.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/packages/babylon/src/comments.js b/packages/babylon/src/comments.js
index dd6edafa48..56cdb5d0f4 100644
--- a/packages/babylon/src/comments.js
+++ b/packages/babylon/src/comments.js
@@ -73,7 +73,7 @@ pp.processComment = function (node) {
   }
 
   if (lastChild) {
-    if (lastChild.leadingComments && last(lastChild.leadingComments).end <= node.start) {
+    if (lastChild !== node && lastChild.leadingComments && last(lastChild.leadingComments).end <= node.start) {
       node.leadingComments = lastChild.leadingComments;
       lastChild.leadingComments = null;
     }