From 59b76cee89254dba2dd36abea850ecd9e578f3c7 Mon Sep 17 00:00:00 2001
From: Anders Hejlsberg <andersh@microsoft.com>
Date: Sun, 15 Sep 2019 08:38:17 -0700
Subject: [PATCH] Fix call to Debug.fail in compiler

---
 src/compiler/checker.ts | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/src/compiler/checker.ts b/src/compiler/checker.ts
index e5204350742..58b6d2e4ceb 100644
--- a/src/compiler/checker.ts
+++ b/src/compiler/checker.ts
@@ -31531,8 +31531,7 @@ namespace ts {
                     const nameType = checkComputedPropertyName(name);
                     return isTypeAssignableToKind(nameType, TypeFlags.ESSymbolLike) ? nameType : stringType;
                 default:
-                    Debug.fail("Unsupported property name.");
-                    return errorType;
+                    return Debug.fail("Unsupported property name.");
             }
         }