From 2916d1262b0a76b0562518c232a16a576092e857 Mon Sep 17 00:00:00 2001
From: Amjad Masad <amjad.masad@gmail.com>
Date: Thu, 14 May 2015 23:57:35 -0700
Subject: [PATCH] Don't print leftParen if already printed before the catchup

---
 src/babel/generation/index.js | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/src/babel/generation/index.js b/src/babel/generation/index.js
index 11d8fdc458..49faa50453 100644
--- a/src/babel/generation/index.js
+++ b/src/babel/generation/index.js
@@ -149,11 +149,12 @@ class CodeGenerator {
     return print;
   }
 
-  catchUp(node, parent) {
+  catchUp(node, parent, leftParenPrinted) {
     // catch up to this nodes newline if we're behind
     if (node.loc && this.format.retainLines && this.buffer.buf) {
       var needsParens = false;
-      if (parent && this.position.line < node.loc.start.line && t.isTerminatorless(parent)) {
+      if (!leftParenPrinted && parent &&
+          this.position.line < node.loc.start.line && t.isTerminatorless(parent)) {
         needsParens = true;
         this._push("(");
       }
@@ -216,7 +217,7 @@ class CodeGenerator {
 
       this.printLeadingComments(node, parent);
 
-      var needsParensFromCatchup = this.catchUp(node, parent);
+      var needsParensFromCatchup = this.catchUp(node, parent, needsParens);
 
       newline(true);