From 16c900b0a126728d23203bd12918820ee51f162d Mon Sep 17 00:00:00 2001
From: Leonid Yuriev <leo@yuriev.ru>
Date: Wed, 28 Oct 2020 20:19:44 +0300
Subject: [PATCH] mdbx: fix assertion inside `mdbx_cursor_del0()`.

Change-Id: I87ad3777215bee8a2b19f53ec92299db89431fa4
---
 src/core.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/src/core.c b/src/core.c
index b6dee5c0..35f1445a 100644
--- a/src/core.c
+++ b/src/core.c
@@ -15534,8 +15534,7 @@ static int mdbx_cursor_del0(MDBX_cursor *mc) {
       }
       if (m3->mc_ki[mc->mc_top] >= ki ||
           /* moved to right sibling */ m3->mc_pg[mc->mc_top] != mp) {
-        mdbx_cassert(m3, (m3->mc_flags & C_EOF) == 0);
-        if (m3->mc_xcursor) {
+        if (m3->mc_xcursor && !(m3->mc_flags & C_EOF)) {
           MDBX_node *node =
               page_node(m3->mc_pg[m3->mc_top], m3->mc_ki[m3->mc_top]);
           /* If this node has dupdata, it may need to be reinited