Index: lib/Driver/ToolChains/CommonArgs.cpp
===================================================================
--- lib/Driver/ToolChains/CommonArgs.cpp
+++ lib/Driver/ToolChains/CommonArgs.cpp
@@ -454,6 +454,14 @@
       CmdArgs.push_back(
           Args.MakeArgString(Twine("-plugin-opt=sample-profile=") + FName));
   }
+
+  // Need this flag to turn on new pass manager via Gold plugin.
+  if (Args.hasFlag(options::OPT_fexperimental_new_pass_manager,
+                   options::OPT_fno_experimental_new_pass_manager,
+                   /* Default */ false)) {
+    CmdArgs.push_back("-plugin-opt=new-pass-manager");
+  }
+
 }
 
 void tools::addArchSpecificRPath(const ToolChain &TC, const ArgList &Args,
Index: tools/gold/gold-plugin.cpp
===================================================================
--- tools/gold/gold-plugin.cpp
+++ tools/gold/gold-plugin.cpp
@@ -183,6 +183,8 @@
   static std::vector<const char *> extra;
   // Sample profile file path
   static std::string sample_profile;
+  // New pass manager
+  static bool new_pass_manager = false;
 
   static void process_plugin_option(const char *opt_)
   {
@@ -242,6 +244,8 @@
       DisableVerify = true;
     } else if (opt.startswith("sample-profile=")) {
       sample_profile= opt.substr(strlen("sample-profile="));
+    } else if (opt == "new-pass-manager") {
+      new_pass_manager = true;
     } else {
       // Save this option to pass to the code generator.
       // ParseCommandLineOptions() expects argv[0] to be program name. Lazily
@@ -810,6 +814,9 @@
   if (!options::sample_profile.empty())
     Conf.SampleProfile = options::sample_profile;
 
+  // Use new pass manager if set in driver
+  Conf.UseNewPM = options::new_pass_manager;
+
   return llvm::make_unique<LTO>(std::move(Conf), Backend,
                                 options::ParallelCodeGenParallelismLevel);
 }