Fix bug #65579 (Using traits with get_class_methods causes segfault). #423
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Specifically, this checks if there are trait aliases defined in the class scope before attempting to dereference the first trait alias. This handles the case where a trait alias was used in a child trait but no aliases exist in the concrete class.
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Specifically, this checks if there are trait aliases defined in the class scope
before attempting to dereference the first trait alias. This handles the case
where a trait alias was used in a child trait but no aliases exist in the
concrete class.