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#!/usr/bin/env tarantool
local tap = require('tap')
local ffi = require('ffi')
local test = tap.test("or-524-fold-icorrect-behavior")
test:plan(1)
-- Test file to demonstrate LuaJIT folding machinery incorrect behaviour,
-- details:
-- https://github.com/LuaJIT/LuaJIT/issues/524
-- https://github.com/moonjit/moonjit/issues/37
jit.opt.start(0, "fold", "cse", "fwd", "hotloop=1")
local sq = ffi.cast("uint32_t", 42)
for _ = 1, 3 do
sq = ffi.cast("uint32_t", sq * sq)
end
test:is(tonumber(sq), math.fmod(math.pow(42, 8), math.pow(2, 32)))
os.exit(test:check() and 0 or 1)
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