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<?php $x = call_user_func(function () { yield 1; }); foreach ($x as $k) {} foreach ($x as $k) {}
Output for git.master, git.master_jit, rfc.property-hooks
Fatal error: Uncaught Exception: Cannot traverse an already closed generator in /in/Bh3iB:5 Stack trace: #0 {main} thrown in /in/Bh3iB on line 5
Process exited with code 255.

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