From f648c5a70c802aeb60ee9773dfdcf7cf08a06357 Mon Sep 17 00:00:00 2001
From: tielei <43289893@qq.com>
Date: Thu, 23 Jun 2016 19:53:56 +0800
Subject: [PATCH] A string with 21 chars is not representable as a 64-bit
 integer.

---
 src/object.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/object.c b/src/object.c
index 9d1d4b7e..ab927688 100644
--- a/src/object.c
+++ b/src/object.c
@@ -385,10 +385,10 @@ robj *tryObjectEncoding(robj *o) {
      if (o->refcount > 1) return o;
 
     /* Check if we can represent this string as a long integer.
-     * Note that we are sure that a string larger than 21 chars is not
+     * Note that we are sure that a string larger than 20 chars is not
      * representable as a 32 nor 64 bit integer. */
     len = sdslen(s);
-    if (len <= 21 && string2l(s,len,&value)) {
+    if (len <= 20 && string2l(s,len,&value)) {
         /* This object is encodable as a long. Try to use a shared object.
          * Note that we avoid using shared integers when maxmemory is used
          * because every object needs to have a private LRU field for the LRU