Bug report

PHPStan incorrectly reports a parameter count error when calling a static method named add with optional parameters. The error completely disappears if the method is renamed to any other name, suggesting an internal conflict or name resolution issue specific to the name "add".

Code snippet that reproduces the problem

https://phpstan.org/r/53c25855-1d03-4347-909a-2eb06f8febad

Expected output

No error should be reported as the call self::add('a',[]) is perfectly valid PHP: it provides 2 parameters for a method that accepts 1 required + 1 optional parameter.

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