-- Clear all snaps and xlogs.
os.execute('rm 000*')

local fiber = require('fiber')
local log = require('log')

box.cfg{memtx_use_mvcc_engine = true}

box.schema.func.create('test', {
    is_deterministic = true,
    body = [[function(tuple)
        return {tuple[1]}
    end]]
})

-- Simple space for which trace is recorded.
local simple = box.schema.space.create('simple')
simple:create_index('primary', {type = 'hash'})

simple:replace{1}
simple:replace{2}

local s = box.schema.space.create('test', {format = {{'key', 'unsigned'},}})
s:create_index('primary')

local function pairs_loop(space)
    -- Big table with content of pairs, preallocated to avoid
    -- aborting of the trace.
    local tab = table.new(1024, 0)
    for i = 1, 100 do
        for _, i in space:pairs(nil, {fullscan = true}) do
            table.insert(tab, i)
        end
    end
    return tab
end

-- Setup VM state.
collectgarbage()
collectgarbage()
jit.flush()
jit.opt.start('hotloop=1')
-- require"jit.dump".start("isx")

-- Stop LuaJIT GC to record trace properly.
collectgarbage('stop')
local t1 = pairs_loop(simple)
-- No need for future recording.
jit.off()
-- Restart LuaJIT GC to avoid OOM.
collectgarbage('restart')

s:create_index('value', {
    func = 'test',
    parts = {{1, 'unsigned'}},
})

-- Trigger memtx GC.

s:replace{1}
s:replace{2}

local reader = fiber.create(function()
    box.begin()
    -- Select from the space with findex.
    s:select(nil, {fullscan = true})
    fiber.sleep(1)
    box.commit()
end)
reader:set_joinable(true)

box.begin()
s:delete(1)
box.commit()

reader:join()

box.begin()
-- If I comment out the `s:insert{101}` below it leads to the following assertion failure:
-- LuaJIT ASSERT third_party/luajit/src/lj_api.c:43: index2adr: bad stack slot -1
-- I suppose that this is related to the #10770 or #10771, but I'm not sure.
s:insert{101}

log.info('Gonna do a pairs loop')
-- Do select for the simple space again.
pairs_loop(simple)
log.info('Select is pairs loop')

os.exit(0)

s:insert{101}