From 413f27842472e5b8ad9c2fc5787a9740abadebe0 Mon Sep 17 00:00:00 2001
From: Anders Hejlsberg <andersh@microsoft.com>
Date: Thu, 18 Jun 2015 14:17:13 -0700
Subject: [PATCH] Generate names of form class_N for anonymous classes

---
 src/compiler/emitter.ts                                | 7 ++++++-
 tests/baselines/reference/anonymousClassExpression1.js | 4 ++--
 2 files changed, 8 insertions(+), 3 deletions(-)

diff --git a/src/compiler/emitter.ts b/src/compiler/emitter.ts
index 469b13294ad..8e4a038dde4 100644
--- a/src/compiler/emitter.ts
+++ b/src/compiler/emitter.ts
@@ -264,6 +264,10 @@ var __param = (this && this.__param) || function (paramIndex, decorator) {
                 return makeUniqueName("default");
             }
 
+            function generateNameForClassExpression() {
+                return makeUniqueName("class");
+            }
+
             function generateNameForNode(node: Node) {
                 switch (node.kind) {
                     case SyntaxKind.Identifier:
@@ -276,9 +280,10 @@ var __param = (this && this.__param) || function (paramIndex, decorator) {
                         return generateNameForImportOrExportDeclaration(<ImportDeclaration | ExportDeclaration>node);
                     case SyntaxKind.FunctionDeclaration:
                     case SyntaxKind.ClassDeclaration:
-                    case SyntaxKind.ClassExpression:
                     case SyntaxKind.ExportAssignment:
                         return generateNameForExportDefault();
+                    case SyntaxKind.ClassExpression:
+                        return generateNameForClassExpression();
                 }
             }
 
diff --git a/tests/baselines/reference/anonymousClassExpression1.js b/tests/baselines/reference/anonymousClassExpression1.js
index 78cf5b05c51..5ced5120979 100644
--- a/tests/baselines/reference/anonymousClassExpression1.js
+++ b/tests/baselines/reference/anonymousClassExpression1.js
@@ -6,8 +6,8 @@ function f() {
 //// [anonymousClassExpression1.js]
 function f() {
     return typeof (function () {
-        function default_1() {
+        function class_1() {
         }
-        return default_1;
+        return class_1;
     })() === "function";
 }