From fbfd349127143ba001912be712c4b5843b27ecda Mon Sep 17 00:00:00 2001
From: Sheetal Nandi <shkamat@microsoft.com>
Date: Fri, 8 Mar 2019 10:22:44 -0800
Subject: [PATCH] Change to debug fail instead of assert never

---
 src/compiler/emitter.ts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/compiler/emitter.ts b/src/compiler/emitter.ts
index e5de302b824..60443ef47b3 100644
--- a/src/compiler/emitter.ts
+++ b/src/compiler/emitter.ts
@@ -617,7 +617,7 @@ namespace ts {
                         if (declarationMapText === text) return;
                         break;
                     default:
-                        Debug.assertNever(name as never);
+                        Debug.fail(`Unexpected path: ${name}`);
                 }
                 outputFiles.push({ name, text, writeByteOrderMark });
             },