anchor.diff:        this.fastTestsOnly,
         this.printPassingStdout})
         : _packages = packages,
  -        _timeout = timeout;
  +        _timeout = timeout,
  +        isStrong = isStrong ||
  +            // DDC always runs in strong mode.
  +            compiler == Compiler.dartdevc ||
  +            compiler == Compiler.dartdevk;
   
     final Architecture architecture;
     final Compiler compiler;
  
positive.code:       print("-rflutter is applicable only for --arch=x64");
      }
  
      if (compiler == Compiler.dartdevc && !isStrong) {
        isValid = false;
        print("--compiler dartdevc requires --strong");
      }
  
      return isValid;
    }
  
  
negative.code:       this.hotReload,
        this.hotReloadRollback,
        this.isChecked,
        bool isStrong,
        this.isHostChecked,
        this.isCsp,
        this.isMinified,
  