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<?php abstract class A { /** @var int */ public $foo; private function __construct() { $this->foo = 5; } } class B extends A { } class C extends B { public function __construct() { parent::__construct(); } } new C();
Output for git.master, git.master_jit, rfc.property-hooks
Fatal error: Uncaught Error: Cannot call private B::__construct() in /in/hTsL0:15 Stack trace: #0 /in/hTsL0(19): C->__construct() #1 {main} thrown in /in/hTsL0 on line 15
Process exited with code 255.

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