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-rw-r--r--mysys/thr_lock.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/mysys/thr_lock.c b/mysys/thr_lock.c
index f5a8b618949..51df50a4926 100644
--- a/mysys/thr_lock.c
+++ b/mysys/thr_lock.c
@@ -204,6 +204,8 @@ static void check_locks(THR_LOCK *lock, const char *where,
{
if ((int) data->type == (int) TL_READ_NO_INSERT)
count++;
+ /* Protect against infinite loop. */
+ DBUG_ASSERT(count <= lock->read_no_write_count);
}
if (count != lock->read_no_write_count)
{