From d0f98d2da1e2e6345831dc1ab2c30950417e6490 Mon Sep 17 00:00:00 2001
From: miloyip <miloyip@gmail.com>
Date: Sun, 7 Sep 2014 15:20:09 +0800
Subject: [PATCH] Fix a bug in dtoa on gcc

Discovered in https://github.com/miloyip/dtoa-benchmark/issues/1 with
assertion fail.
---
 include/rapidjson/internal/dtoa.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/include/rapidjson/internal/dtoa.h b/include/rapidjson/internal/dtoa.h
index bef02b0..f8ecc27 100644
--- a/include/rapidjson/internal/dtoa.h
+++ b/include/rapidjson/internal/dtoa.h
@@ -105,7 +105,7 @@ struct DiyFp {
         _BitScanReverse64(&index, f);
         return DiyFp(f << (63 - index), e - (63 - index));
 #elif defined(__GNUC__)
-        int s = __builtin_clzll(f) + 1;
+        int s = __builtin_clzll(f);
         return DiyFp(f << s, e - s);
 #else
         DiyFp res = *this;