src/jdk.compiler/share/classes/com/sun/tools/javac/main/JavaCompiler.java

*** 28,21 ***
  import java.io.*;
  import java.nio.file.FileSystemNotFoundException;
  import java.nio.file.InvalidPathException;
  import java.nio.file.ReadOnlyFileSystemException;
  import java.util.Collection;
! import java.util.Collections;
  import java.util.HashMap;
  import java.util.HashSet;
  import java.util.LinkedHashMap;
  import java.util.LinkedHashSet;
  import java.util.Map;
  import java.util.MissingResourceException;
  import java.util.Queue;
  import java.util.ResourceBundle;
  import java.util.Set;
  import java.util.function.Function;
  
  import javax.annotation.processing.Processor;
  import javax.lang.model.SourceVersion;
  import javax.lang.model.element.ElementVisitor;
  import javax.tools.DiagnosticListener;
--- 28,22 ---
  import java.io.*;
  import java.nio.file.FileSystemNotFoundException;
  import java.nio.file.InvalidPathException;
  import java.nio.file.ReadOnlyFileSystemException;
  import java.util.Collection;
! import java.util.Comparator;
  import java.util.HashMap;
  import java.util.HashSet;
  import java.util.LinkedHashMap;
  import java.util.LinkedHashSet;
  import java.util.Map;
  import java.util.MissingResourceException;
  import java.util.Queue;
  import java.util.ResourceBundle;
  import java.util.Set;
  import java.util.function.Function;
+ import java.util.function.ToIntFunction;
  
  import javax.annotation.processing.Processor;
  import javax.lang.model.SourceVersion;
  import javax.lang.model.element.ElementVisitor;
  import javax.tools.DiagnosticListener;