From 98184da5d1e017a0be3d07242c627813f21b2ff1 Mon Sep 17 00:00:00 2001
From: Boris Kolpackov <boris@codesynthesis.com>
Date: Mon, 28 May 2018 16:58:39 +0200
Subject: Backport fix for GCC 8 warning from 3.23.1

---
 libsqlite3/sqlite3.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libsqlite3/sqlite3.c b/libsqlite3/sqlite3.c
index 1eab5a8..e14c3ba 100644
--- a/libsqlite3/sqlite3.c
+++ b/libsqlite3/sqlite3.c
@@ -194486,7 +194486,7 @@ static int sqlite3Fts5IndexQuery(
 
   if( sqlite3Fts5BufferSize(&p->rc, &buf, nToken+1)==0 ){
     int iIdx = 0;                 /* Index to search */
-    memcpy(&buf.p[1], pToken, nToken);
+    if( nToken ) memcpy(&buf.p[1], pToken, nToken);
 
     /* Figure out which index to search and set iIdx accordingly. If this
     ** is a prefix query for which there is no prefix index, set iIdx to
-- 
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