fix php 7.x build

Author: staabm

tests/PHPStan/Rules/Comparison/ImpossibleCheckTypeFunctionCallRuleTest.php

@@ -1068,6 +1068,7 @@ public function testBug9666(): void
 		]);
 	}
 
+	#[RequiresPhp('>= 8.0')]
 	public function testBug9445(): void
 	{
 		$this->treatPhpDocTypesAsCertain = true;

tests/PHPStan/Rules/Comparison/data/bug-9445.php

@@ -1,4 +1,6 @@
-<?php declare(strict_types=1);
+<?php // lint >= 8.0
+
+declare(strict_types=1);
 
 namespace Bug9445;