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<?php trait A { abstract function x(x $arg); } trait B { abstract function x(y $arg); } new class { use A, B { B::x insteadof A; } function x(y $arg){} }; new class { use A, B { B::x insteadof A; } function x(x $arg){} };
Output for git.master, git.master_jit, rfc.property-hooks
Fatal error: Could not check compatibility between class@anonymous::x(x $arg) and B::x(y $arg), because class y is not available in /in/FmllU on line 20
Process exited with code 255.

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