From 21d03690c03ae451a585a67377b1de72a5e4d5d0 Mon Sep 17 00:00:00 2001
From: Yui T <yuisu@microsoft.com>
Date: Fri, 18 Sep 2015 18:38:59 -0700
Subject: [PATCH] Basic parsing for the UnaryExpression: 
 IncrementExpression[?Yield]**UnaryExpression[?Yield]

---
 src/compiler/parser.ts | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/src/compiler/parser.ts b/src/compiler/parser.ts
index 7673f147e8f..f1d92de6308 100644
--- a/src/compiler/parser.ts
+++ b/src/compiler/parser.ts
@@ -3121,7 +3121,13 @@ namespace ts {
             let node = <PrefixUnaryExpression>createNode(SyntaxKind.PrefixUnaryExpression);
             node.operator = token;
             nextToken();
-            node.operand = parseUnaryExpressionOrHigher();
+            let tryParseUnaryExpression = parseUnaryExpressionOrHigher();
+            if (token === SyntaxKind.AsteriskAsteriskToken) {
+                node.operand = <BinaryExpression>parseBinaryExpressionRest(getBinaryOperatorPrecedence(), tryParseUnaryExpression);
+            }
+            else {
+                node.operand = tryParseUnaryExpression; 
+            }
             return finishNode(node);
         }