Bug report

I have noticed a possible bug. Given the following code the following error will be emitted:

Method HelloWorld::test() should return array{id?: int, categories?: array} but returns array<'categories'|'id', 1|array{'news'}>.

Code snippet that reproduces the problem

Reproduction: https://phpstan.org/r/04dbfd87-93d6-485c-887e-15cd0d342f37

I noticed that the error only gets thrown when both of the array keys are set, When omitting either id or categories no error will be emitted.

Expected output

No errors

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