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--TEST--
Return type covariance error
--FILE--
<?php
interface foo {
public function bar() : foo;
}
interface biz {}
class qux implements foo {
public function bar() : biz {
return $this;
}
}
--EXPECTF--
Fatal error: Declaration of qux::bar(): biz must be compatible with foo::bar(): foo in %s on line %d
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