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select with reverse iterator in memtx TREE index returns deleted tuple #7432

@CuriousGeorgiy

Description

@CuriousGeorgiy

Steps to reproduce

os.execute('rm -rf *.snap *.xlog *.vylog 512')

local ffi = require('ffi')
local json = require('json')
local log = require('log')
local txn_proxy = require('txn_proxy')

box.cfg{memtx_use_mvcc_engine = true}

local s = box.schema.space.create('s')
s:create_index('pk')

s:insert{0}
s:insert{1}

box.internal.memtx_tx_gc(100)

s:delete{0}

local tx = txn_proxy:new()
tx:begin()
log.info("%s", json.encode(tx("box.space.s:select({1}, {iterator = 'LE', fullscan = true})")))

os.exit()

Actual behavior

[[[1],[0]]]

Expected behavior

[[[1]]]

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