Test for set-hooked property being overriden by readonly property

Author: ondrejmirtes

tests/PHPStan/Rules/Properties/OverridingPropertyRuleTest.php

@@ -260,7 +260,12 @@ public function testBug12586(): void
 		}
 
 		$this->reportMaybes = true;
-		$this->analyse([__DIR__ . '/data/bug-12586.php'], []);
+		$this->analyse([__DIR__ . '/data/bug-12586.php'], [
+			[
+				'Readonly property Bug12586\FooImpl::$baz overrides readwrite property Bug12586\Foo::$baz.',
+				23,
+			],
+		]);
 	}
 
 }

tests/PHPStan/Rules/Properties/data/bug-12586.php

@@ -9,12 +9,18 @@ interface Foo
 	public string $bar {
 		get;
 	}
+
+	public string $baz {
+		get;
+		set;
+	}
 }
 
 readonly class FooImpl implements Foo
 {
 	public function __construct(
 		public string $bar,
+		public string $baz,
 	)
 	{
 	}