src/hotspot/share/runtime/arguments.cpp

*** 672,681 ****
--- 672,689 ----
      }
    }
    return false;
  }
  
+ // Verifies the correctness of the entries in the special_jvm_flags table.
+ // If there is a semantic error (i.e. a bug in the table) such as the obsoletion
+ // version being earlier than the deprecation version, then a warning is issued
+ // and verification fails - by returning false. If it is detected that the table
+ // is out of date, with respect to the current version, then a warning is issued
+ // but verification does not fail. This allows the VM to operate when the version
+ // is first updated, without needing to update all the impacted flags at the
+ // same time.
  static bool verify_special_jvm_flags() {
    bool success = true;
    for (size_t i = 0; special_jvm_flags[i].name != NULL; i++) {
      const SpecialFlag& flag = special_jvm_flags[i];
      if (lookup_special_flag(flag.name, i)) {
*** 708,728 ****
  
        // if flag has become obsolete it should not have a "globals" flag defined anymore.
        if (!version_less_than(JDK_Version::current(), flag.obsolete_in)) {
          if (Flag::find_flag(flag.name) != NULL) {
            warning("Global variable for obsolete special flag entry \"%s\" should be removed", flag.name);
-           success = false;
          }
        }
      }
  
      if (!flag.expired_in.is_undefined()) {
        // if flag has become expired it should not have a "globals" flag defined anymore.
        if (!version_less_than(JDK_Version::current(), flag.expired_in)) {
          if (Flag::find_flag(flag.name) != NULL) {
            warning("Global variable for expired flag entry \"%s\" should be removed", flag.name);
-           success = false;
          }
        }
      }
  
    }
--- 716,734 ----