119   std::string Sysroot;  in CreateASTConsumer()  local
120   if (!ComputeASTConsumerArguments(CI, /*ref*/ Sysroot))  in CreateASTConsumer()
130     Sysroot.clear();  in CreateASTConsumer()
136       CI.getPreprocessor(), CI.getModuleCache(), OutputFile, Sysroot, Buffer,  in CreateASTConsumer()
147                                                     std::string &Sysroot) {  in ComputeASTConsumerArguments()  argument
148   Sysroot = CI.getHeaderSearchOpts().Sysroot;  in ComputeASTConsumerArguments()
149   if (CI.getFrontendOpts().RelocatablePCH && Sysroot.empty()) {  in ComputeASTConsumerArguments()
189   std::string Sysroot;  in CreateASTConsumer()  local
195       CI.getPreprocessor(), CI.getModuleCache(), OutputFile, Sysroot, Buffer,  in CreateASTConsumer()
358   const std::string &Sysroot = CI.getHeaderSearchOpts().Sysroot;  in ExecuteAction()  local
362       Sysroot.empty() ? "" : Sysroot.c_str(),  in ExecuteAction()
627       Out.indent(4) << "System root [-isysroot=]: '" << HSOpts.Sysroot << "'\n";  in ReadHeaderSearchOptions()