repro: 'attempt to yield across a C-call boundary'

dependency.js

global.exports('forceCcallException', async () =>
{
	await new Promise(resolve =>
	{
		setImmediate(() =>
		{
			resolve(true);
		})
	});

	return [ 1 ];
});

script.lua

CreateThread(function()
	local EXT = 100

	msgpack.extend_clear(EXT)

	local t = setmetatable({ },
	{
		__pairs = function(t)
			local values = exports['dependency']:forceCcallException()

			return next, values, nil
		end,

		__ext = EXT,

		__pack = function(t, tag)
			for _, v in pairs(t) do

			end
		end,

		__unpack = function(data, tag)
		end,
	})

	for _, v in pairs(t) do
		-- Works
	end

	TriggerEvent('any', t) -- Fails, __pack is invoked
end)