From f8ae8234c7262e9248ba95cd4dcb090a58d80a9c Mon Sep 17 00:00:00 2001
From: Vladimir Matveev <vladima@microsoft.com>
Date: Tue, 24 Feb 2015 23:51:12 -0800
Subject: [PATCH] merge with master, fix emit for omitted expressions

---
 src/compiler/emitter.ts                                   | 4 ++++
 ...itDestructuringOptionalBindingParametersInOverloads.js | 8 --------
 2 files changed, 4 insertions(+), 8 deletions(-)

diff --git a/src/compiler/emitter.ts b/src/compiler/emitter.ts
index 13204ab22e8..17e1c82e955 100644
--- a/src/compiler/emitter.ts
+++ b/src/compiler/emitter.ts
@@ -3726,6 +3726,10 @@ module ts {
             }
 
             function emitExportVariableAssignments(node: VariableDeclaration | BindingElement) {
+                if (node.kind === SyntaxKind.OmittedExpression) {
+                    return;
+                }
+
                 var name = (<VariableLikeDeclaration>node).name;
                 if (name.kind === SyntaxKind.Identifier) {
                     emitExportMemberAssignments(<Identifier>name);
diff --git a/tests/baselines/reference/declarationEmitDestructuringOptionalBindingParametersInOverloads.js b/tests/baselines/reference/declarationEmitDestructuringOptionalBindingParametersInOverloads.js
index c907add11f7..24b16a7742a 100644
--- a/tests/baselines/reference/declarationEmitDestructuringOptionalBindingParametersInOverloads.js
+++ b/tests/baselines/reference/declarationEmitDestructuringOptionalBindingParametersInOverloads.js
@@ -11,16 +11,8 @@ function foo2(...rest: any[]) {
 
 //// [declarationEmitDestructuringOptionalBindingParametersInOverloads.js]
 function foo() {
-    var rest = [];
-    for (var _i = 0; _i < arguments.length; _i++) {
-        rest[_i - 0] = arguments[_i];
-    }
 }
 function foo2() {
-    var rest = [];
-    for (var _i = 0; _i < arguments.length; _i++) {
-        rest[_i - 0] = arguments[_i];
-    }
 }