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<?php $exports = call_user_func(function(){ $fn = function() { echo "suuuppp"; }; $fn_obj = (object) function() use(&$fn) { return call_user_func($fn); }; $fn_obj->call = function() { }; return $fn_obj; }); $exports();
Output for git.master, git.master_jit, rfc.property-hooks
Fatal error: Uncaught Error: Cannot create dynamic property Closure::$call in /in/e39AH:9 Stack trace: #0 /in/e39AH(13): {closure}() #1 {main} thrown in /in/e39AH on line 9
Process exited with code 255.

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