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<?php interface Ia {} class Foo { protected function xyz(Ia $x) {} } interface Ib extends Ia {} class Bar extends Foo { protected function xyz(Ib $x) {} }
Output for git.master, git.master_jit, rfc.property-hooks
Fatal error: Declaration of Bar::xyz(Ib $x) must be compatible with Foo::xyz(Ia $x) in /in/JUndH on line 8
Process exited with code 255.

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