Div returns only DivisionByZeroError

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Close #136

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Any idea why

new ReflectionClass(rand(0, 1) === 0 ? static::class : Throwable::class);

is now throwing an exception @pepakriz ?

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Turns out that the tests are working with phpstan 0.12.54 but not anymore since phpstan 0.12.55

Maybe you can help me on this @ondrejmirtes ? Why the two following lines have a different behaviour

		new ReflectionClass(rand(0, 1) === 0 ? self::class : Throwable::class);
		new ReflectionClass(rand(0, 1) === 0 ? static::class : Throwable::class);

The code used is

	private function resolveReflectionClass(New_ $newNode, Scope $scope): Type
	{
		$reflectionExceptionType = new ObjectType(ReflectionException::class);
		if (!isset($newNode->args[0])) {
			return $reflectionExceptionType;
		}

		$valueType = $this->resolveType($newNode->args[0]->value, $scope);
		foreach (TypeUtils::getConstantStrings($valueType) as $constantString) {
			if (!$this->broker->hasClass($constantString->getValue())) {
				return $reflectionExceptionType;
			}

			$valueType = TypeCombinator::remove($valueType, $constantString);
		}

		if (!$valueType instanceof NeverType) {
			return $reflectionExceptionType;
		}

		return new VoidType();
	}

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Seems like TypeUtils::getConstantStrings returns

array(2) {
  [0]=>
  object(PHPStan\Type\Constant\ConstantStringType)#24947 (2) {
    ["value":"PHPStan\Type\Constant\ConstantStringType":private]=>
    string(65) "Pepakriz\PHPStanExceptionRules\Rules\PhpInternalFunctions\Example"
    ["isClassString":"PHPStan\Type\Constant\ConstantStringType":private]=>
    bool(true)
  }
  [1]=>
  object(PHPStan\Type\Constant\ConstantStringType)#24958 (2) {
    ["value":"PHPStan\Type\Constant\ConstantStringType":private]=>
    string(9) "Throwable"
    ["isClassString":"PHPStan\Type\Constant\ConstantStringType":private]=>
    bool(true)
  }
}

for new ReflectionClass(rand(0, 1) === 0 ? self::class : Throwable::class); but an empty array for static::class.

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Created phpstan/phpstan#4233