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<?php class Test { public mixed $x; } $t = new Test(); var_dump($t->x);
Output for git.master_jit, git.master, rfc.property-hooks
Fatal error: Uncaught Error: Typed property Test::$x must not be accessed before initialization in /in/g688j:8 Stack trace: #0 {main} thrown in /in/g688j on line 8
Process exited with code 255.

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