Allow comparisons between Number and int

[vudaltsov]

Bug report

https://3v4l.org/UFLV9

Code snippet that reproduces the problem

https://phpstan.org/r/1b405f28-7fe5-4792-b693-b35a3adab29a

Expected output

No errors.

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[ondrejmirtes]

/cc @schlndh can you please investigate if this is something we should also call OperatorTypeSpecifyingExtensions for, or how to prevent this issue? Thank you.

[schlndh]

Here is a workaround to ignore the false positives until the issue is fixed:

- "#^Comparison operation \"(<|>|<=|>=|==|!=)\" between BcMath\\\\Number and (int|numeric-string|[0-9]+|'[0-9]+(\\.[0-9]+)?') results in an error.$#"
- "#^Comparison operation \"(<|>|<=|>=|==|!=)\" between (int|numeric-string|[0-9]+|'[0-9]+(\\.[0-9]+)?') and BcMath\\\\Number results in an error.$#"