Regression test

Closes phpstan/phpstan#5707

Author: ondrejmirtes

Diff for: tests/PHPStan/Rules/Comparison/NumberComparisonOperatorsConstantConditionRuleTest.php

@@ -83,4 +83,9 @@ public function testBug3153(): void
 		$this->analyse([__DIR__ . '/data/bug-3153.php'], []);
 	}
 
+	public function testBug5707(): void
+	{
+		$this->analyse([__DIR__ . '/data/bug-5707.php'], []);
+	}
+
 }

Diff for: tests/PHPStan/Rules/Comparison/data/bug-5707.php

@@ -0,0 +1,16 @@
+<?php
+
+namespace Bug5707;
+
+class Cl
+{
+	protected function xx(int $maxUtf8Length = 50): string
+	{
+		$maxUtf8Length = (int) max(20, min($maxUtf8Length, 100));
+
+		for ($l = $maxUtf8Length; $l > 0; --$l) {
+		}
+
+		return 'x';
+	}
+}