From 7972da8aa1c52121f60fb8fdae534a46892b4e07 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Marko=20M=C3=A4kel=C3=A4?= <marko.makela@mariadb.com>
Date: Tue, 16 May 2017 20:08:47 +0300
Subject: Silence bogus GCC 7 warnings -Wimplicit-fallthrough

Do not silence uncertain cases, or fix any bugs.

The only functional change should be that ha_federated::extra()
is not calling DBUG_PRINT to report an unhandled case for
HA_EXTRA_PREPARE_FOR_DROP.
---
 sql/mysqld.cc | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'sql/mysqld.cc')

diff --git a/sql/mysqld.cc b/sql/mysqld.cc
index a8fef1bd8a3..0aa917cb7fe 100644
--- a/sql/mysqld.cc
+++ b/sql/mysqld.cc
@@ -8724,6 +8724,9 @@ mysql_getopt_value(const char *name, uint length,
       return (uchar**) &key_cache->changed_blocks_hash_size;
     }
   }
+  /* We return in all cases above. Let us silence -Wimplicit-fallthrough */
+  DBUG_ASSERT(0);
+  /* fall through */
   case OPT_REPLICATE_DO_DB:
   case OPT_REPLICATE_DO_TABLE:
   case OPT_REPLICATE_IGNORE_DB:
-- 
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