From fe386a66dfd1a48480638122c317c99bb0dbe2d9 Mon Sep 17 00:00:00 2001
From: Leonid Yuriev <leo@yuriev.ru>
Date: Fri, 18 Dec 2020 14:59:11 +0300
Subject: [PATCH] mdbx: minor refine `mdbx_page_unspill()`.

Change-Id: I20bbd4c502a2258b945996fa1cf761eab7f88a80
---
 src/core.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/core.c b/src/core.c
index e8637060..540c8ad0 100644
--- a/src/core.c
+++ b/src/core.c
@@ -5662,9 +5662,10 @@ static int __must_check_result mdbx_page_unspill(MDBX_txn *txn, MDBX_page *mp,
       /* If in current txn, this page is no longer spilled.
        * If it happens to be the last page, truncate the spill list.
        * Otherwise mark it as deleted by setting the LSB. */
-      txn->tw.spill_pages[i] |= 1;
       if (i == MDBX_PNL_SIZE(txn->tw.spill_pages))
         MDBX_PNL_SIZE(txn->tw.spill_pages) -= 1;
+      else
+        txn->tw.spill_pages[i] |= 1;
     } /* otherwise, if belonging to a parent txn, the
        * page remains spilled until child commits */