From df3438222b65314fc4bb883f4483d7e0060f1e55 Mon Sep 17 00:00:00 2001
From: Joshua Haberman <jhaberman@gmail.com>
Date: Sun, 13 Sep 2020 17:53:36 -0700
Subject: [PATCH] Notated impossible branch as unreachable.

---
 upb/encode.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/upb/encode.c b/upb/encode.c
index 9327533ca1..2a6139bacb 100644
--- a/upb/encode.c
+++ b/upb/encode.c
@@ -227,6 +227,8 @@ static void encode_scalar(upb_encstate *e, const void *_field_mem,
       wire_type = UPB_WIRE_TYPE_DELIMITED;
       break;
     }
+    default:
+      UPB_UNREACHABLE();
   }
 #undef CASE