anchor.diff:        $out/bin/java -XX:+UnlockExperimentalVMOptions -XX:+EnableJVMCI -XX:+UseJVMCICompiler HelloWorld | fgrep 'Hello World'
   
         # Ahead-Of-Time compilation
  -      $out/bin/native-image -no-server HelloWorld
  +      $out/bin/native-image --no-server HelloWorld
         ./helloworld
         ./helloworld | fgrep 'Hello World'
       '';
  
positive.code: 
  in rec {
  
    mx = stdenv.mkDerivation {
      name = "mx";
      src = fetchFromGitHub {
        owner  = "graalvm";
        repo   = "mx";
        rev    = "22557cf7ec417c49aca20c13a9123045005d72d0"; # HEAD at 2018-02-16
        sha256 = "070647ih2qzcssj7yripbg1w9bjwi1rcp1blx5z3jbp1shrr6563";
      };
      nativeBuildInputs = [ makeWrapper ];
      buildPhase = ''
  
negative.code:     rec { sha1 = "9cd14a61d7aa7d554f251ef285a6f2c65caf7b65"; name = "JOPTSIMPLE_4_6.sources_${sha1}.jar";                url = mirror://maven/net/sf/jopt-simple/jopt-simple/4.6/jopt-simple-4.6-sources.jar; }
      rec { sha1 = "b852fb028de645ad2852bbe998e084d253f450a5"; name = "JMH_GENERATOR_ANNPROCESS_1_18_${sha1}.jar";         url = mirror://maven/org/openjdk/jmh/jmh-generator-annprocess/1.18/jmh-generator-annprocess-1.18.jar; }
      rec { sha1 = "d455b0dc6108b5e6f1fb4f6cf1c7b4cbedbecc97"; name = "JMH_GENERATOR_ANNPROCESS_1_18.sources_${sha1}.jar"; url = mirror://maven/org/openjdk/jmh/jmh-generator-annprocess/1.18/jmh-generator-annprocess-1.18-sources.jar; }
      rec { sha1 = "7aac374614a8a76cad16b91f1a4419d31a7dcda3"; name = "JMH_GENERATOR_ANNPROCESS_1_21_${sha1}.jar";         url = mirror://maven/org/openjdk/jmh/jmh-generator-annprocess/1.21/jmh-generator-annprocess-1.21.jar; }
      rec { sha1 = "fb48e2a97df95f8b9dced54a1a37749d2a64d2ae"; name = "JMH_GENERATOR_ANNPROCESS_1_21.sources_${sha1}.jar"; url = mirror://maven/org/openjdk/jmh/jmh-generator-annprocess/1.21/jmh-generator-annprocess-1.21-sources.jar; }
      rec { sha1 = "702b8525fcf81454235e5e2fa2a35f15ffc0ec7e"; name = "ASM_DEBUG_ALL_${sha1}.jar";                         url = mirror://maven/org/ow2/asm/asm-debug-all/5.0.4/asm-debug-all-5.0.4.jar; }
      rec { sha1 = "ec2544ab27e110d2d431bdad7d538ed509b21e62"; name = "COMMONS_MATH3_3_2_${sha1}.jar";                     url = mirror://maven/org/apache/commons/commons-math3/3.2/commons-math3-3.2.jar; }
      rec { sha1 = "cd098e055bf192a60c81d81893893e6e31a6482f"; name = "COMMONS_MATH3_3_2.sources_${sha1}.jar";             url = mirror://maven/org/apache/commons/commons-math3/3.2/commons-math3-3.2-sources.jar; }
      rec { sha1 = "0174aa0077e9db596e53d7f9ec37556d9392d5a6"; name = "JMH_1_18_${sha1}.jar";                              url = mirror://maven/org/openjdk/jmh/jmh-core/1.18/jmh-core-1.18.jar; }
      rec { sha1 = "7ff1e1aafea436b6aa8b29a8b8f1c2d66be26f5b"; name = "JMH_1_18.sources_${sha1}.jar";                      url = mirror://maven/org/openjdk/jmh/jmh-core/1.18/jmh-core-1.18-sources.jar; }
      rec { sha1 = "442447101f63074c61063858033fbfde8a076873"; name = "JMH_1_21_${sha1}.jar";                              url = mirror://maven/org/openjdk/jmh/jmh-core/1.21/jmh-core-1.21.jar; }
      rec { sha1 = "a6fe84788bf8cf762b0e561bf48774c2ea74e370"; name = "JMH_1_21.sources_${sha1}.jar";                      url = mirror://maven/org/openjdk/jmh/jmh-core/1.21/jmh-core-1.21-sources.jar; }
      rec { sha1 = "2973d150c0dc1fefe998f834810d68f278ea58ec"; name = "JUNIT_${sha1}.jar";                                 url = https://lafo.ssw.uni-linz.ac.at/pub/graal-external-deps/junit-4.12.jar; }
      rec { sha1 = "a6c32b40bf3d76eca54e3c601e5d1470c86fcdfa"; name = "JUNIT.sources_${sha1}.jar";                         url = https://lafo.ssw.uni-linz.ac.at/pub/graal-external-deps/junit-4.12-sources.jar; }
      rec { sha1 = "42a25dc3219429f0e5d060061f71acb49bf010a0"; name = "HAMCREST_${sha1}.jar";                              url = https://lafo.ssw.uni-linz.ac.at/pub/graal-external-deps/hamcrest-core-1.3.jar; }
  