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<?php interface ContainsStmts {} // BC break patch class_alias(ContainsStmts::class, StmtsAwareInterface::class); class SomeNode implements ContainsStmts {} $obj = new SomeNode(); // old should keep working var_dump($obj instanceof StmtsAwareInterface); // new var_dump($obj instanceof ContainsStmts);
Output for git.master, git.master_jit
bool(true) bool(true)

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