From 9b05bd5cd79108fcf906b7e0baba6cc735f8a416 Mon Sep 17 00:00:00 2001
From: Andy <anhans@microsoft.com>
Date: Wed, 25 Apr 2018 13:30:34 -0700
Subject: [PATCH] Remove unnecessary check for
 ElementAccessExpression#argumentExpression being defined (#23685)

---
 src/compiler/emitter.ts | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/compiler/emitter.ts b/src/compiler/emitter.ts
index 2b01f2fdda1..53d4e56c301 100644
--- a/src/compiler/emitter.ts
+++ b/src/compiler/emitter.ts
@@ -1441,9 +1441,9 @@ namespace ts {
 
         function emitElementAccessExpression(node: ElementAccessExpression) {
             emitExpression(node.expression);
-            const openPos = emitTokenWithComment(SyntaxKind.OpenBracketToken, node.expression.end, writePunctuation, node);
+            emitTokenWithComment(SyntaxKind.OpenBracketToken, node.expression.end, writePunctuation, node);
             emitExpression(node.argumentExpression);
-            emitTokenWithComment(SyntaxKind.CloseBracketToken, node.argumentExpression ? node.argumentExpression.end : openPos, writePunctuation, node);
+            emitTokenWithComment(SyntaxKind.CloseBracketToken, node.argumentExpression.end, writePunctuation, node);
         }
 
         function emitCallExpression(node: CallExpression) {