if (root) { increment(object);
increment(object); if (root)
  public final VM_Address traceObject(VM_Address object, boolean root)    throws VM_PragmaInline {    if (Plan.sanityTracing)       incrementTraceCount(object);    if (root) {      increment(object);      VM_Interface.getPlan().addToRootSet(object);    } // else we were called via the finalizer mechanism, we need to ignore    return object;  }