201 struct WriterContext {  struct
208   WriterContext(bool IsSparse, std::mutex &ErrLock,  in WriterContext()  function
217                          const std::string &TestFilename, WriterContext *WC,  in overlapInput()
243                       const StringRef ProfiledBinary, WriterContext *WC) {  in loadInput()
338 static void mergeWriterContexts(WriterContext *Dst, WriterContext *Src) {  in mergeWriterContexts()
405   SmallVector<std::unique_ptr<WriterContext>, 4> Contexts;  in mergeInstrProfile()
407     Contexts.emplace_back(std::make_unique<WriterContext>(  in mergeInstrProfile()
448   for (std::unique_ptr<WriterContext> &WC : Contexts) {  in mergeInstrProfile()
536 adjustInstrProfile(std::unique_ptr<WriterContext> &WC,  in adjustInstrProfile()
635   auto WC = std::make_unique<WriterContext>(OutputSparse, ErrorLock,  in supplementInstrProfile()
1078   WriterContext Context(false, ErrorLock, WriterErrorCodes);  in overlapInstrProfile()