DebugInfo/CodeView/TypeStreamMerger.cpp

199   Optional<uint32_t> PCHSignature;
267   S = PCHSignature;
280   S = PCHSignature;
306   S = PCHSignature;
450     Optional<uint32_t> &PCHSignature) {
452   return M.mergeTypesAndIds(DestIds, DestTypes, IdsAndTypes, PCHSignature);
458     ArrayRef<GloballyHashedType> Hashes, Optional<uint32_t> &PCHSignature) {
461                             PCHSignature);
468                                        Optional<uint32_t> &PCHSignature) {
470   return M.mergeTypeRecords(Dest, Types, Hashes, PCHSignature);
491     if (PCHSignature.hasValue())
493     PCHSignature.emplace(EP.getSignature());