Bug report

Hi,

When the $rest argument is not given in the below code example. phpstan throws:

Unable to resolve the template type TRest in call to function intersection

This is valid PHP, but i'm not sure what PHPStan can do here, since there is no type provided by the caller.

Code snippet that reproduces the problem

https://phpstan.org/r/6e40c732-5e71-4c6b-8a60-db7be4deb506

Expected output

No errors

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