diff --git a/test/tarantool-tests/lj-833-fold-conv-from-num.test.lua b/test/tarantool-tests/lj-833-fold-conv-from-num.test.lua
new file mode 100644
index 0000000000..9e2059bd08
--- /dev/null
+++ b/test/tarantool-tests/lj-833-fold-conv-from-num.test.lua
@@ -0,0 +1,33 @@
+local tap = require('tap')
+
+-- XXX: Test the behaviour of fold optimizations from numbers to
+-- different integer types. The test itself doesn't fail before
+-- the commit since these changes relate only to version 2.0.
+
+local test = tap.test('lj-833-fold-conv-from-num'):skipcond({
+  ['Test requires JIT enabled'] = not jit.status(),
+})
+
+local ffi = require('ffi')
+
+test:plan(3)
+
+local arr_i64 = ffi.new('int64_t  [2]')
+local arr_u64 = ffi.new('uint64_t [2]')
+local arr_u32 = ffi.new('uint32_t [2]')
+
+jit.opt.start('hotloop=1')
+
+for _ = 1, 4 do
+  -- Test conversion to type (at store). Also, check the
+  -- conversion from number to int64_t at C array indexing.
+  arr_i64[1.1] = 1.1
+  arr_u64[1.1] = 1.1
+  arr_u32[1.1] = 1.1
+end
+
+test:is(arr_i64[1], 1LL,  'correct conversion to int64_t')
+test:is(arr_u64[1], 1ULL, 'correct conversion to uint64_t')
+test:is(arr_u32[1], 1ULL, 'correct conversion to uint32_t')
+
+test:done(true)