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<?php namespace foo; class bar { public function __construct(array $x = NULL) { var_dump($x); } } new bar(null); new bar(new \stdclass); ?>
Output for git.master, git.master_jit, rfc.property-hooks
NULL Fatal error: Uncaught TypeError: foo\bar::__construct(): Argument #1 ($x) must be of type ?array, stdClass given, called in /in/C6BjF on line 12 and defined in /in/C6BjF:6 Stack trace: #0 /in/C6BjF(12): foo\bar->__construct(Object(stdClass)) #1 {main} thrown in /in/C6BjF on line 6
Process exited with code 255.

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