From d6df34bc4851ae0bde083ee2b5e9cd7d97f37510 Mon Sep 17 00:00:00 2001
From: Andrew Branch <andrew@wheream.io>
Date: Tue, 2 Apr 2019 14:01:05 -0700
Subject: [PATCH] =?UTF-8?q?Don=E2=80=99t=20crash=20in=20forEachIdentifierI?=
 =?UTF-8?q?nEntityName?=
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---
 src/compiler/binder.ts | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/src/compiler/binder.ts b/src/compiler/binder.ts
index ff11b09f0fe..ad02d84a35b 100644
--- a/src/compiler/binder.ts
+++ b/src/compiler/binder.ts
@@ -2710,8 +2710,7 @@ namespace ts {
             }
             else {
                 const s = forEachIdentifierInEntityName(e.expression, parent, action);
-                if (!s || !s.exports) return Debug.fail();
-                return action(e.name, s.exports.get(e.name.escapedText), s);
+                return action(e.name, s && s.exports && s.exports.get(e.name.escapedText), s);
             }
         }