644   thread_local SetVector<StringRef> structContext;  in parseStructType()  local
646   static auto removeIdentifierAndFail = [](SetVector<StringRef> &structContext,  in parseStructType()
649       structContext.remove(identifier);  in parseStructType()
663       if (structContext.count(identifier) == 0) {  in parseStructType()
677     if (structContext.count(identifier) != 0) {  in parseStructType()
681       return removeIdentifierAndFail(structContext, identifier);  in parseStructType()
684     structContext.insert(identifier);  in parseStructType()
688     return removeIdentifierAndFail(structContext, identifier);  in parseStructType()
693       structContext.remove(identifier);  in parseStructType()
710       return removeIdentifierAndFail(structContext, identifier);  in parseStructType()
716         return removeIdentifierAndFail(structContext, identifier);  in parseStructType()
722     return removeIdentifierAndFail(structContext, identifier);  in parseStructType()
726     return removeIdentifierAndFail(structContext, identifier);  in parseStructType()
733     structContext.remove(identifier);  in parseStructType()
809   thread_local SetVector<StringRef> structContext;  in print()  local
816     if (structContext.count(type.getIdentifier())) {  in print()
822     structContext.insert(type.getIdentifier());  in print()
853     structContext.remove(type.getIdentifier());  in print()