Don't use scope when validating Attribute

This is not safe to do at this point. Even if we made it safe,
we'd see inconsistencies due to a partially compiled class.

Fixes oss-fu

Don't use scope when validating Attribute

This is not safe to do at this point. Even if we made it safe,
we'd see inconsistencies due to a partially compiled class.

Fixes oss-fuzz #28129.

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