Edit C:\Program Files\Java\jdk1.8.0_121\lib\com\sun\tools\javac\jvm\Items$StackItem.class
?? 4 H ()I ()V (I)I (I)V ) <init> Code I InnerClasses LineNumberTable SourceFile StackMapTable [Ljava/lang/String; append code !com/sun/tools/javac/jvm/ByteCodes com/sun/tools/javac/jvm/Code com/sun/tools/javac/jvm/Items "com/sun/tools/javac/jvm/Items$Item 'com/sun/tools/javac/jvm/Items$StackItem drop duplicate emitop0 java/lang/StringBuilder load stack( stash this$0 toString typecode typecodeNames width Lcom/sun/tools/javac/jvm/Code; Lcom/sun/tools/javac/jvm/Items; #(Lcom/sun/tools/javac/jvm/Items;I)V &()Lcom/sun/tools/javac/jvm/Items$Item; ()Ljava/lang/String; -(Ljava/lang/String;)Ljava/lang/StringBuilder; ) * ! "