public final void postCopy(VM_Address ref, Object[] tib, int bytes, boolean isScalar) throws VM_PragmaInline {
public final void postCopy(VM_Address ref, Object[] tib, int bytes) throws VM_PragmaInline {
  public final void postCopy(VM_Address ref, Object[] tib, int bytes,                             boolean isScalar) throws VM_PragmaInline {    HybridHeader.writeMarkBit(ref, msSpace.getInitialHeaderValue());  }