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<?php var_dump(preg_match('/TEST/', "aa" . str_repeat("a", 100 * 100000) . "TEST"));
Output for git.master, rfc.property-hooks
int(1)
Output for git.master_jit
Fatal error: Out of memory (allocated 12099584 bytes) (tried to allocate 10000032 bytes) in /in/X7GK7 on line 3 mmap() failed: [12] Cannot allocate memory mmap() failed: [12] Cannot allocate memory
Process exited with code 255.

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