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<?php class A { public $x = 123; } class X { public function foo(\A $a) { echo $a->x; } } $aa = new \A; $xx = new \X; $xx->foo($aa); $xx->foo(null);
Output for git.master, git.master_jit, rfc.property-hooks
123 Fatal error: Uncaught TypeError: X::foo(): Argument #1 ($a) must be of type A, null given, called in /in/UNc7t on line 20 and defined in /in/UNc7t:10 Stack trace: #0 /in/UNc7t(20): X->foo(NULL) #1 {main} thrown in /in/UNc7t on line 10
Process exited with code 255.

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