From: senhuang42 <senhuang96@fb.com>
Date: Mon, 5 Oct 2020 01:46:47 +0000 (-0400)
Subject: Enable inclusion of mid-flight LDMs in opt parser
X-Git-Tag: v1.4.7~57^2~10
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=ddf8a3f1b91f91d16e00da9735169f4d1c0acdfe;p=thirdparty%2Fzstd.git

Enable inclusion of mid-flight LDMs in opt parser
---

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;
     }