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Function created with Reflect.makeVarArgs() crashes on Java when calling with no args #9037

ckentgeorge opened this issue Dec 15, 2019 · 0 comments


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@ckentgeorge ckentgeorge commented Dec 15, 2019

This is a regression from Haxe 3. The following code builds with Haxe 4.0.3 but crashes with Exception in thread "main" java.lang.NullPointerException when run. This problem is not present on the JS or C++ targets.

class Main
   public static function main()
      var f = 
         (args:Array<Dynamic>) ->
            if (args != null)
               trace('Received ${args.length} args:');
               for (arg in args)
                  trace(' - $arg');
               trace('Argument array was null.');
      var f:Dynamic = Reflect.makeVarArgs(f);
      // This line crashes on Java target.
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