anchor.diff:      set EXTRA_CC_FLAGS=%EXTRA_CC_FLAGS% -nonative
       set EXTRA_RL_FLAGS=-nottags:exclude_interpreted -nottags:fails_interpreted
     )
  -  :: DisableJit is different from NoNative in that NoNative can be used 
  +  :: DisableJit is different from NoNative in that NoNative can be used
     :: with builds which include backend code, whereas DisableJit doesn't have
     :: backend code linked in, and also disables other features that incidentally
     :: depends on the backend like dynamic profile, asmjs, simdjs, background parsing etc.
  
positive.code:   if /i "%1" == "-variants"         set _Variants=%~2&                                          goto :ArgOkShift2
    if /i "%1" == "-cleanupall"       set _CleanUpAll=1&                                          goto :ArgOk
  
    if /i "%1" == "-extraVariants" (
      :: Extra variants are specified by the user but not run by default.
      if "%_ExtraVariants%" == "" (
  
negative.code:   set _nightly=
    set TARGET_OS=win10
    set _quiet=
    set _ExtraHostFlags=
    set _DumpOnCrash=
    set _CrashOnException=
  
    goto :eof
  
  