2 files changed, 5 insertions, 0 deletions

diff --git a/src/ChangeLog b/src/ChangeLog
index 3a5a4c97628..1b518a6341c 100644
--- a/src/ChangeLog
+++ b/src/ChangeLog
@@ -52,6 +52,7 @@
         * character.h (FETCH_STRING_CHAR_ADVANCE): Likewise.
         * coding.c (emacs_mule_char, encode_invocation_designation):
         Now static, since they're not used elsewhere.
+        (decode_coding_iso_2022): Add "default: abort ();" as a safety check.
 
 2011-03-06  Chong Yidong  <cyd@stupidchicken.com>
 
diff --git a/src/coding.c b/src/coding.c
index 4fdbd1fd752..c9d32489351 100644
--- a/src/coding.c
+++ b/src/coding.c
@@ -3899,6 +3899,10 @@ decode_coding_iso_2022 (struct coding_system *coding)
               }
               continue;
             }
+          break;
+
+        default:
+          abort ();
         }
 
       if (cmp_status->state == COMPOSING_NO