Add 10861 regression test

Author: VincentLanglet

tests/PHPStan/Rules/PhpDoc/WrongVariableNameInVarTagRuleTest.php

@@ -206,6 +206,15 @@ public function testBug11015(): void
 		$this->analyse([__DIR__ . '/data/bug-11015.php'], []);
 	}
 
+	public function testBug10861(): void
+	{
+		$this->checkTypeAgainstNativeType = true;
+		$this->checkTypeAgainstPhpDocType = true;
+		$this->strictWideningCheck = true;
+
+		$this->analyse([__DIR__ . '/data/bug-10861.php'], []);
+	}
+
 	public function testEnums(): void
 	{
 		if (PHP_VERSION_ID < 80100) {

tests/PHPStan/Rules/PhpDoc/data/bug-10861.php

@@ -0,0 +1,23 @@
+<?php declare(strict_types = 1);
+
+namespace Bug10861;
+
+class HelloWorld
+{
+	/**
+	 *
+	 * @param array<string,mixed>           $array1
+	 * @param-out array<string,mixed>       $array1
+	 */
+	public function sayHello(array &$array1): void
+	{
+		$values_1 = $array1;
+
+		$values_1 = array_filter($values_1, function (mixed $value): bool {
+			return $value !== [];
+		});
+
+		/** @var array<string,mixed> $values_1 */
+		$array1 = $values_1;
+	}
+}