Bug report

After update to 2.1.34, argument.type error started popping up in unexpected situations. See reproduction on phpstan.org/try. The issue seems to be calling a method on $this inside callable passed as parameter.

If a method on $this isn’t inside the callable or the callable is passed after the then-checked-nullable, it works.

Code snippet that reproduces the problem

https://phpstan.org/r/939edeab-1035-4618-80d8-56ce95614038

Expected output

All three cases should not throw an exception.

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