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<?php trait A { private string $prop; } class B { use A; private $prop; }
Output for 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.25, 8.4.1 - 8.4.12
Fatal error: B and A define the same property ($prop) in the composition of B. However, the definition differs and is considered incompatible. Class was composed in /in/aaQTo on line 7
Process exited with code 255.

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