Nullable generics bug

[jrmajor]

Bug report

PHPStan reports that property of type (TValue of int|string)|null does not accept (TValue of int|string)|null, which is the same type.

Code snippet that reproduces the problem

https://phpstan.org/r/0391a032-1553-47a8-88ad-c0f528d8dd3d

Expected output

PHPStan should report no errors.

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[ondrejmirtes]

Thank you for your kind words! :) This is a duplicate of #5591 so please subscribe to that issue.

[jrmajor]

@ondrejmirtes Thank you for a quick response! Sorry for opening a duplicate, I couldn't find this issue.

[github-actions]

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