message: update Transform.cc to support editable cfg mode.
  Summary: support editable cfg in remap_registers.
diff: @@ -69,9 +69,15 @@ void remap_registers(MethodItemEntry& mei, const RegMap& reg_map) {
  }
  void remap_registers(IRCode* code, const RegMap& reg_map) {
  + if (!code->editable_cfg_built()) {
  for (auto& mei : *code) {
  remap_registers(mei, reg_map);
  }
  + } else {
  + for (auto& mei : cfg::InstructionIterable(code->cfg())) {
  + remap_registers(mei, reg_map);
  + }
  + }
  }
  static size_t remove_block(IRCode* code, cfg::Block* b) {
  