From 7cd5a653ff67d5689a3398c2759be775a49a9559 Mon Sep 17 00:00:00 2001
From: Benjamin Barenblat <bbaren@mit.edu>
Date: Sat, 15 Aug 2015 15:39:45 -0400
Subject: Handle invalid `Log::Class`

Add a case of `Log::Class::Count` to the switch statement that
dispatches on `Log::Class`.  The case simply calls the `UNREACHABLE`
macro.
---
 src/common/logging/backend.cpp | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/common/logging/backend.cpp b/src/common/logging/backend.cpp
index 0a081e7d..92e8e742 100644
--- a/src/common/logging/backend.cpp
+++ b/src/common/logging/backend.cpp
@@ -66,8 +66,9 @@ const char* GetLogClassName(Class log_class) {
         ALL_LOG_CLASSES()
 #undef CLS
 #undef SUB
+        case Class::Count:
+            UNREACHABLE();
     }
-    return "Unknown";
 }
 
 const char* GetLevelName(Level log_level) {
-- 
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