Program: 83647
Project: 83647
Buggy source:
public static String keywordToString(int type){
switch (type) {
case ABSTRACT:
    return "String_Node_Str";
case ANNOTATION:
  return "String_Node_Str";
case AS:
return "String_Node_Str";
case BREAK:
return "String_Node_Str";
case BYTE:
return "String_Node_Str";
case CASE:
return "String_Node_Str";
case CATCH:
return "String_Node_Str";
case CLASS:
return "String_Node_Str";
case CONST:
return "String_Node_Str";
case CONTINUE:
return "String_Node_Str";
case DERIVED:
return "String_Node_Str";
case DEPRECATED:
return "String_Node_Str";
case DO:
return "String_Node_Str";
case ELSE:
return "String_Node_Str";
case ENUM:
return "String_Node_Str";
case EXTENDS:
return "String_Node_Str";
case FALSE:
return "String_Node_Str";
case FINAL:
return "String_Node_Str";
case FINALLY:
return "String_Node_Str";
case FOR:
return "String_Node_Str";
case FUNCTIONAL:
return "String_Node_Str";
case GOTO:
return "String_Node_Str";
case IF:
return "String_Node_Str";
case IMPLEMENTS:
return "String_Node_Str";
case IMPORT:
return "String_Node_Str";
case INCLUDE:
return "String_Node_Str";
case INLINE:
return "String_Node_Str";
case INFIX:
return "String_Node_Str";
case INTERFACE:
return "String_Node_Str";
case IS:
return "String_Node_Str";
case LAZY:
return "String_Node_Str";
case NEW:
return "String_Node_Str";
case NIL:
return "String_Node_Str";
case NULL:
return "String_Node_Str";
case OBJECT:
return "String_Node_Str";
case OPERATOR:
return "String_Node_Str";
case OVERRIDE:
return "String_Node_Str";
case PACKAGE:
return "String_Node_Str";
case POSTFIX:
return "String_Node_Str";
case PRIVATE:
return "String_Node_Str";
case PROTECTED:
return "String_Node_Str";
case PUBLIC:
return "String_Node_Str";
case RETURN:
return "String_Node_Str";
case SEALED:
return "String_Node_Str";
case STATIC:
return "String_Node_Str";
case SUPER:
return "String_Node_Str";
case SYNCHRONIZED:
return "String_Node_Str";
case THIS:
return "String_Node_Str";
case THROW:
return "String_Node_Str";
case THROWS:
return "String_Node_Str";
case TRUE:
return "String_Node_Str";
case TRY:
return "String_Node_Str";
case USING:
return "String_Node_Str";
case VAR:
return "String_Node_Str";
case WHILE:
return "String_Node_Str";
}
return "String_Node_Str";
}

Fixed version (ground truth):
public static String keywordToString(int type){
switch (type) {
case ABSTRACT:
    return "String_Node_Str";
case ANNOTATION:
  return "String_Node_Str";
case AS:
return "String_Node_Str";
case BREAK:
return "String_Node_Str";
case CASE:
return "String_Node_Str";
case CATCH:
return "String_Node_Str";
case CLASS:
return "String_Node_Str";
case CONST:
return "String_Node_Str";
case CONTINUE:
return "String_Node_Str";
case DERIVED:
return "String_Node_Str";
case DEPRECATED:
return "String_Node_Str";
case DO:
return "String_Node_Str";
case ELSE:
return "String_Node_Str";
case ENUM:
return "String_Node_Str";
case EXTENDS:
return "String_Node_Str";
case FALSE:
return "String_Node_Str";
case FINAL:
return "String_Node_Str";
case FINALLY:
return "String_Node_Str";
case FOR:
return "String_Node_Str";
case FUNCTIONAL:
return "String_Node_Str";
case GOTO:
return "String_Node_Str";
case IF:
return "String_Node_Str";
case IMPLEMENTS:
return "String_Node_Str";
case IMPORT:
return "String_Node_Str";
case INCLUDE:
return "String_Node_Str";
case INLINE:
return "String_Node_Str";
case INFIX:
return "String_Node_Str";
case INTERFACE:
return "String_Node_Str";
case IS:
return "String_Node_Str";
case LAZY:
return "String_Node_Str";
case NEW:
return "String_Node_Str";
case NIL:
return "String_Node_Str";
case NULL:
return "String_Node_Str";
case OBJECT:
return "String_Node_Str";
case OPERATOR:
return "String_Node_Str";
case OVERRIDE:
return "String_Node_Str";
case PACKAGE:
return "String_Node_Str";
case POSTFIX:
return "String_Node_Str";
case PRIVATE:
return "String_Node_Str";
case PROTECTED:
return "String_Node_Str";
case PUBLIC:
return "String_Node_Str";
case RETURN:
return "String_Node_Str";
case SEALED:
return "String_Node_Str";
case STATIC:
return "String_Node_Str";
case SUPER:
return "String_Node_Str";
case SYNCHRONIZED:
return "String_Node_Str";
case THIS:
return "String_Node_Str";
case THROW:
return "String_Node_Str";
case THROWS:
return "String_Node_Str";
case TRUE:
return "String_Node_Str";
case TRY:
return "String_Node_Str";
case USING:
return "String_Node_Str";
case VAR:
return "String_Node_Str";
case WHILE:
return "String_Node_Str";
}
return "String_Node_Str";
}