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- LABEL_CONFLICTS_WITH_RULE_SCOPE_ATTRIBUTE
- LABEL_CONFLICTS_WITH_RULE_ARG_RETVAL
- ARG_RETVAL_CONFLICT (arg/ret val same name)
- CANNOT_FIND_ATTRIBUTE_NAME_IN_DECL ("int " instead of "int b")
- ATTRIBUTE_CONFLICTS_WITH_RULE, ATTRIBUTE_CONFLICTS_WITH_RULE_ARG_RETVAL
(collision of a rule-scope dynamic attribute with arg, return value, rule name itself.)
...