From 61fe571af69c9f9f97e6db82dc07d7e3b993e17c Mon Sep 17 00:00:00 2001
From: senhuang42 <senhuang96@fb.com>
Date: Fri, 30 Apr 2021 19:52:04 -0400
Subject: [PATCH] Fix chaintable check to include rowhash in ZSTD_reduceIndex()

---
 lib/compress/zstd_compress.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/compress/zstd_compress.c b/lib/compress/zstd_compress.c
index 5f4c98ea..0c5acba6 100644
--- a/lib/compress/zstd_compress.c
+++ b/lib/compress/zstd_compress.c
@@ -2303,7 +2303,7 @@ static void ZSTD_reduceIndex (ZSTD_matchState_t* ms, ZSTD_CCtx_params const* par
         ZSTD_reduceTable(ms->hashTable, hSize, reducerValue);
     }
 
-    if (params->cParams.strategy != ZSTD_fast) {
+    if (ZSTD_allocateChainTable(params->cParams.strategy, params->useRowMatchFinder, (U32)ms->dedicatedDictSearch)) {
         U32 const chainSize = (U32)1 << params->cParams.chainLog;
         if (params->cParams.strategy == ZSTD_btlazy2)
             ZSTD_reduceTable_btlazy2(ms->chainTable, chainSize, reducerValue);