113           if (PCs.insert(N).second)  in Parse()
149     AllFeatures.insert(Cur.begin(), Cur.end());  in Merge()
178       if (AllFeatures.insert(Fe).second) {  in Merge()
180         NewFeatures->insert(Fe);  in Merge()
187         NewCov->insert(Cov);  in Merge()
195     S.insert(File.Features.begin(), File.Features.end());  in AllFeatures()
241       TPC.CollectFeatures([&](size_t Feature) { Features.insert(Feature); });  in CrashResistantMergeInternalStep()
244         if (AllFeatures.insert(Feature).second)  in CrashResistantMergeInternalStep()
245           Features.insert(Feature);  in CrashResistantMergeInternalStep()
260       if (AllPCs.insert(TE).second)  in CrashResistantMergeInternalStep()
294     ExistingFeatures.insert(Files[i].Features.begin(), Files[i].Features.end());  in SetCoverMerge()
304     AllFeatures.insert(F % kFeatureSetSize);  in SetCoverMerge()
312     RemainingFiles.insert(i);  in SetCoverMerge()
315       AllFeatures.insert(F % kFeatureSetSize);  in SetCoverMerge()
342         RemoveIndices.insert(i);  in SetCoverMerge()
375         NewFeatures->insert(F);  in SetCoverMerge()
384         NewCov->insert(C);  in SetCoverMerge()
397     FilesToSkip.insert(SF.Name);  in WriteNewControlFile()
525   M.Files.insert(M.Files.end(), KnownFiles.begin(), KnownFiles.end());  in CrashResistantMerge()