497   // this yet, so skip/treat as unimplemented in this case.  in VisitDefaultClause()
521   // this yet, so skip/treat as unimplemented in this case.  in VisitIfClause()
554   // this yet, so skip/treat as unimplemented in this case.  in VisitSelfClause()
587   // this yet, so skip/treat as unimplemented in this case.  in VisitNumGangsClause()
642   // this yet, so skip/treat as unimplemented in this case.  in VisitNumWorkersClause()
663   // this yet, so skip/treat as unimplemented in this case.  in VisitVectorLengthClause()
684   // this yet, so skip/treat as unimplemented in this case.  in VisitAsyncClause()
706   // can do anything with this yet, so skip/treat as unimplemented in this  in VisitPrivateClause()
725   // this yet, so skip/treat as unimplemented in this case.  in VisitFirstPrivateClause()
742   // this yet, so skip/treat as unimplemented in this case.  in VisitNoCreateClause()
758   // this yet, so skip/treat as unimplemented in this case.  in VisitPresentClause()
774   // this yet, so skip/treat as unimplemented in this case.  in VisitCopyClause()
790   // this yet, so skip/treat as unimplemented in this case.  in VisitCopyInClause()
806   // this yet, so skip/treat as unimplemented in this case.  in VisitCopyOutClause()
822   // this yet, so skip/treat as unimplemented in this case.  in VisitCreateClause()
838   // this yet, so skip/treat as unimplemented in this case.  in VisitAttachClause()
859   // this yet, so skip/treat as unimplemented in this case.  in VisitDevicePtrClause()
881   // this yet, so skip/treat as unimplemented in this case.  in VisitWaitClause()
894   // can do anything with this yet, so skip/treat as unimplemented in this  in VisitDeviceTypeClause()
912   // the only construct that can do anything with this, so skip/treat as  in VisitAutoClause()
936   // the only construct that can do anything with this, so skip/treat as  in VisitIndependentClause()
959   // the only construct that can do anything with this, so skip/treat as  in VisitSeqClause()
1001   // this yet, so skip/treat as unimplemented in this case.  in VisitReductionClause()
1528   // value/expression to nullptr/nullopt if they are invalid, and treat them as  in ActOnArraySectionExpr()
1687     // an interpretation of it is to allow this and treat the initializer as  in ActOnAssociatedStmt()