src/share/vm/runtime/arguments.cpp

rev 8148 : 8068582: UseSerialGC not always set up properly
Reviewed-by:

*** 1553,1568 ****
--- 1553,1571 ----
      if (should_auto_select_low_pause_collector()) {
        FLAG_SET_ERGO(bool, UseConcMarkSweepGC, true);
      } else {
        FLAG_SET_ERGO(bool, UseParallelGC, true);
      }
+   } else {
+     FLAG_SET_ERGO(bool, UseSerialGC, true);
    }
  }
  
  void Arguments::select_gc() {
    if (!gc_selected()) {
      select_gc_ergonomically();
+     guarantee(gc_selected(), "No GC selected");
    }
  }
  
  void Arguments::set_ergonomics_flags() {
    select_gc();