From 0001b8cb37e1988a4809aff8e5c8f55dd0f98ee6 Mon Sep 17 00:00:00 2001
From: Nathan Shively-Sanders <nathansa@microsoft.com>
Date: Thu, 19 May 2016 10:37:20 -0700
Subject: [PATCH] Remove target-following code when erasing signatures

Fixes return type of inherited default constructors when they are
generic.
---
 src/compiler/checker.ts | 7 +------
 1 file changed, 1 insertion(+), 6 deletions(-)

diff --git a/src/compiler/checker.ts b/src/compiler/checker.ts
index 079d942df4..cb6a34392c 100644
--- a/src/compiler/checker.ts
+++ b/src/compiler/checker.ts
@@ -4577,12 +4577,7 @@ namespace ts {
         function getErasedSignature(signature: Signature): Signature {
             if (!signature.typeParameters) return signature;
             if (!signature.erasedSignatureCache) {
-                if (signature.target) {
-                    signature.erasedSignatureCache = instantiateSignature(getErasedSignature(signature.target), signature.mapper);
-                }
-                else {
-                    signature.erasedSignatureCache = instantiateSignature(signature, createTypeEraser(signature.typeParameters), /*eraseTypeParameters*/ true);
-                }
+                signature.erasedSignatureCache = instantiateSignature(signature, createTypeEraser(signature.typeParameters), /*eraseTypeParameters*/ true);
             }
             return signature.erasedSignatureCache;
         }