Program: 27555
Project: 27555
Buggy source:
public SpongeCoremod(){
  Launch.classLoader.addTransformerExclusion("String_Node_Str");
  try {
    JavaVersionCheckUtils.ensureJava8();
  }
 catch (  Exception e) {
    e.printStackTrace();
    this.clearSecurityManager();
    Runtime.getRuntime().exit(1);
  }
  Launch.classLoader.addClassLoaderExclusion("String_Node_Str");
  Launch.classLoader.addClassLoaderExclusion("String_Node_Str");
  SpongeLaunch.initPaths((File)FMLInjectionData.data()[6]);
  SpongeLaunch.setupMixinEnvironment();
  if (this.isProductionEnvironment()) {
    Mixins.registerErrorHandlerClass("String_Node_Str");
  }
  Mixins.addConfiguration("String_Node_Str");
  Mixins.addConfiguration("String_Node_Str");
  Mixins.addConfiguration("String_Node_Str");
  MixinEnvironment.getDefaultEnvironment().registerTokenProviderClass("String_Node_Str");
  Mixins.addConfiguration("String_Node_Str");
  MixinEnvironment.getEnvironment(Phase.PREINIT).registerTokenProviderClass("String_Node_Str");
  Mixins.addConfiguration("String_Node_Str");
  MixinEnvironment.getEnvironment(Phase.INIT).registerTokenProviderClass("String_Node_Str");
  Launch.classLoader.addClassLoaderExclusion("String_Node_Str");
  Launch.classLoader.addClassLoaderExclusion("String_Node_Str");
  Launch.classLoader.addClassLoaderExclusion("String_Node_Str");
  Launch.classLoader.addClassLoaderExclusion("String_Node_Str");
  Launch.classLoader.addClassLoaderExclusion("String_Node_Str");
  Launch.classLoader.addTransformerExclusion("String_Node_Str");
  Launch.classLoader.addTransformerExclusion("String_Node_Str");
  Launch.classLoader.addTransformerExclusion("String_Node_Str");
  SpongeLaunch.setupSuperClassTransformer();
}

Fixed version (ground truth):
public SpongeCoremod(){
  Launch.classLoader.addTransformerExclusion("String_Node_Str");
  try {
    JavaVersionCheckUtils.ensureJava8();
  }
 catch (  Exception e) {
    e.printStackTrace();
    this.clearSecurityManager();
    Runtime.getRuntime().exit(1);
  }
  Launch.classLoader.addClassLoaderExclusion("String_Node_Str");
  Launch.classLoader.addClassLoaderExclusion("String_Node_Str");
  SpongeLaunch.initPaths((File)FMLInjectionData.data()[6]);
  SpongeLaunch.setupMixinEnvironment();
  if (this.isProductionEnvironment()) {
    Mixins.registerErrorHandlerClass("String_Node_Str");
  }
  Mixins.addConfiguration("String_Node_Str");
  Mixins.addConfiguration("String_Node_Str");
  Mixins.addConfiguration("String_Node_Str");
  MixinEnvironment.getDefaultEnvironment().registerTokenProviderClass("String_Node_Str");
  Mixins.addConfiguration("String_Node_Str");
  MixinEnvironment.getEnvironment(Phase.PREINIT).registerTokenProviderClass("String_Node_Str");
  Mixins.addConfiguration("String_Node_Str");
  MixinEnvironment.getEnvironment(Phase.INIT).registerTokenProviderClass("String_Node_Str");
  Launch.classLoader.addClassLoaderExclusion("String_Node_Str");
  Launch.classLoader.addClassLoaderExclusion("String_Node_Str");
  Launch.classLoader.addClassLoaderExclusion("String_Node_Str");
  Launch.classLoader.addTransformerExclusion("String_Node_Str");
  Launch.classLoader.addTransformerExclusion("String_Node_Str");
  Launch.classLoader.addTransformerExclusion("String_Node_Str");
  SpongeLaunch.setupSuperClassTransformer();
}