Added regression test

Author: staabm

tests/PHPStan/Rules/Properties/TypesAssignedToPropertiesRuleTest.php

@@ -806,4 +806,14 @@ public function testBug11171(): void
 		$this->analyse([__DIR__ . '/data/bug-11171.php'], []);
 	}
 
+	public function testBug8282(): void
+	{
+		if (PHP_VERSION_ID < 80000) {
+			$this->markTestSkipped('Test requires PHP 8.0.');
+		}
+
+		$this->checkExplicitMixed = true;
+		$this->analyse([__DIR__ . '/data/bug-8282.php'], []);
+	}
+
 }

tests/PHPStan/Rules/Properties/data/bug-8282.php

@@ -0,0 +1,25 @@
+<?php
+
+namespace Bug8282;
+
+/**
+ * @phpstan-type record array{id: positive-int, name: string}
+ */
+class Collection
+{
+	/** @param list<record> $list */
+	public function __construct(
+		public array $list
+	)
+	{
+	}
+
+	public function updateNameById(int $id, string $name): void
+	{
+		foreach ($this->list as $index => $entry) {
+			if ($entry['id'] === $id) {
+				$this->list[$index]['name'] = $name;
+			}
+		}
+	}
+}