391 Expected<FileContents> irsymtab::readBitcode(const BitcodeFileContents &BFC) {  in readBitcode()  argument
392   if (BFC.Mods.empty())  in readBitcode()
396   if (BFC.StrtabForSymtab.empty() ||  in readBitcode()
397       BFC.Symtab.size() < sizeof(storage::Header))  in readBitcode()
398     return upgrade(BFC.Mods);  in readBitcode()
404   auto *Hdr = reinterpret_cast<const storage::Header *>(BFC.Symtab.data());  in readBitcode()
406   StringRef Producer = Hdr->Producer.get(BFC.StrtabForSymtab);  in readBitcode()
409     return upgrade(BFC.Mods);  in readBitcode()
412   FC.TheReader = {{BFC.Symtab.data(), BFC.Symtab.size()},  in readBitcode()
413                   {BFC.StrtabForSymtab.data(), BFC.StrtabForSymtab.size()}};  in readBitcode()
419   if (FC.TheReader.getNumModules() != BFC.Mods.size())  in readBitcode()
420     return upgrade(std::move(BFC.Mods));  in readBitcode()