src/share/vm/runtime/arguments.cpp

*** 1791,1800 ****
--- 1791,1804 ----
    if (UseParNewGC && !UseConcMarkSweepGC) {
      // !UseConcMarkSweepGC means that we are using serial old gc. Unfortunately we don't
      // set up UseSerialGC properly, so that can't be used in the check here.
      warning("Using the ParNew young collector with the Serial old collector is deprecated");
    }
+ 
+   if (CMSIncrementalMode) {
+     warning("Using incremental CMS is deprecated");
+   }
  }
  
  // Check stack pages settings
  bool Arguments::check_stack_pages()
  {