Test all sorts of callables in bug-14596 integration test

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

Author: phpstan-bot

tests/PHPStan/Analyser/data/bug-14596.php

@@ -2,4 +2,33 @@
 
 namespace Bug14596;
 
+function foo(int $a, int $b, int $c, string ...$rest): void {}
+
+class Foo {
+	public function bar(int $a, int $b, int $c, string ...$rest): void {}
+	public static function baz(int $a, int $b, int $c, string ...$rest): void {}
+	public function __construct(int $a, int $b, int $c, string ...$rest) {}
+}
+
+// built-in function
 \PHPStan\dumpType(1, 2, 3, d: 'foo', 5);
+
+// user-defined function
+foo(1, 2, 3, d: 'foo', 5);
+
+// method call
+$obj = new Foo(1, 2, 3);
+$obj->bar(1, 2, 3, d: 'foo', 5);
+
+// static method call
+Foo::baz(1, 2, 3, d: 'foo', 5);
+
+// constructor
+new Foo(1, 2, 3, d: 'foo', 5);
+
+// closure
+$closure = function (int $a, int $b, int $c, string ...$rest): void {};
+$closure(1, 2, 3, d: 'foo', 5);
+
+// call_user_func
+call_user_func('Bug14596\foo', 1, 2, 3, d: 'foo', 5);