From ddf8a3f1b91f91d16e00da9735169f4d1c0acdfe Mon Sep 17 00:00:00 2001
From: senhuang42 <senhuang96@fb.com>
Date: Sun, 4 Oct 2020 21:46:47 -0400
Subject: [PATCH] Enable inclusion of mid-flight LDMs in opt parser

---
 lib/compress/zstd_opt.c | 1 -
 1 file changed, 1 deletion(-)

diff --git a/lib/compress/zstd_opt.c b/lib/compress/zstd_opt.c
index 69e73cb47..07b30f5f9 100644
--- a/lib/compress/zstd_opt.c
+++ b/lib/compress/zstd_opt.c
@@ -871,7 +871,6 @@ static void ZSTD_opt_maybeAddLdm(ZSTD_match_t* matches, U32* nbMatches,
     /* Ensure that current block position is not outside of the match */
     if (currPosInBlock < matchStartPosInBlock
       || currPosInBlock >= matchEndPosInBlock
-      || posDiff > 0    /* As a next evolution we can enable adding LDMs in the middle of a match */
       || candidateMatchLength < MINMATCH) {
         return;
     }
-- 
2.47.3