VM_Compiler(VM_Method m, int cmid) { super(m, cmid);
VM_Compiler(VM_CompiledMethod cm) { super(cm);
  VM_Compiler(VM_Method m, int cmid) {    super(m, cmid);    stackHeights = new int[bytecodes.length];    parameterWords = method.getParameterWords() + (method.isStatic() ? 0 : 1); // add 1 for this pointer  }