From 7bb8331124b823f6b342d43b67765c7cf82842c9 Mon Sep 17 00:00:00 2001
From: Sheetal Nandi <shkamat@microsoft.com>
Date: Wed, 30 Nov 2016 10:51:35 -0800
Subject: [PATCH] When creating string literal for property access, unescape
 the identifier text Fixes #12562

---
 src/compiler/transformers/ts.ts                            | 2 +-
 tests/baselines/reference/decoratorWithUnderscoreMethod.js | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/compiler/transformers/ts.ts b/src/compiler/transformers/ts.ts
index 52717a94996..6af8a263599 100644
--- a/src/compiler/transformers/ts.ts
+++ b/src/compiler/transformers/ts.ts
@@ -1905,7 +1905,7 @@ namespace ts {
                     : (<ComputedPropertyName>name).expression;
             }
             else if (isIdentifier(name)) {
-                return createLiteral(name.text);
+                return createLiteral(unescapeIdentifier(name.text));
             }
             else {
                 return getSynthesizedClone(name);
diff --git a/tests/baselines/reference/decoratorWithUnderscoreMethod.js b/tests/baselines/reference/decoratorWithUnderscoreMethod.js
index 03037980ee7..bf79890263b 100644
--- a/tests/baselines/reference/decoratorWithUnderscoreMethod.js
+++ b/tests/baselines/reference/decoratorWithUnderscoreMethod.js
@@ -34,4 +34,4 @@ var A = (function () {
 }());
 __decorate([
     dec()
-], A.prototype, "___foo");
+], A.prototype, "__foo");