Create bug-12660.php

Add test for phpstan/phpstan#12660

Author: stepo2

tests/PHPStan/Analyser/nsrt/bug-12660.php

@@ -0,0 +1,21 @@
+<?php declare(strict_types = 1);
+
+namespace Bug12660;
+
+use function PHPStan\Testing\assertType;
+
+class Integer
+{
+	
+}
+
+class HelloWorld
+{
+	/**
+	 * @param Integer $integer
+	 */
+	public function sayHello($integer): void
+	{
+		assertType(Integer::class, $integer);
+	}
+}