src/hotspot/share/runtime/arguments.cpp

*** 96,105 ****
--- 96,107 ----
  bool   Arguments::_BackgroundCompilation        = BackgroundCompilation;
  bool   Arguments::_ClipInlining                 = ClipInlining;
  intx   Arguments::_Tier3InvokeNotifyFreqLog     = Tier3InvokeNotifyFreqLog;
  intx   Arguments::_Tier4InvocationThreshold     = Tier4InvocationThreshold;
  
+ bool   Arguments::_enable_preview               = false;
+ 
  char*  Arguments::SharedArchivePath             = NULL;
  
  AgentLibraryList Arguments::_libraryList;
  AgentLibraryList Arguments::_agentList;
  
*** 2774,2783 ****
--- 2776,2788 ----
          if (!create_numbered_property("jdk.module.addmods", "java.instrument", addmods_count++)) {
            return JNI_ENOMEM;
          }
        }
  #endif // !INCLUDE_JVMTI
+     // --enable_preview
+     } else if (match_option(option, "--enable-preview")) {
+       set_enable_preview();
      // -Xnoclassgc
      } else if (match_option(option, "-Xnoclassgc")) {
        if (FLAG_SET_CMDLINE(bool, ClassUnloading, false) != Flag::SUCCESS) {
          return JNI_EINVAL;
        }