nullCoalesce.offset and isset.offset report an error on an array offset that can be null #11708
Description
Bug report
With an array built dynamically, PHPStan reports, for any given offset, that it always exists while it might not.
Code snippet that reproduces the problem
https://phpstan.org/r/bf04b4ce-f05e-44b8-892f-136ec7d7c07a
Expected output
No error should be thrown.
Did PHPStan help you today? Did it make you happy in any way?
No response