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<?php class Foo { public function aaa(): mixed{} } class Bar extends Foo { public function aaa(): void{} }
Output for git.master_jit, git.master
Fatal error: Declaration of Bar::aaa(): void must be compatible with Foo::aaa(): mixed in /in/vNF6M on line 10 Stack trace: #0 {main}
Process exited with code 255.

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