abstract class jdk.vm.ci.hotspot.Cleaner extends java.lang.ref.WeakReference<java.lang.Object>
  minor version: 0
  major version: 59
  flags: flags: (0x0420) ACC_SUPER, ACC_ABSTRACT
  this_class: jdk.vm.ci.hotspot.Cleaner
  super_class: java.lang.ref.WeakReference
{
  private static jdk.vm.ci.hotspot.Cleaner first;
    descriptor: Ljdk/vm/ci/hotspot/Cleaner;
    flags: (0x000a) ACC_PRIVATE, ACC_STATIC
    RuntimeVisibleAnnotations: 
      jdk.vm.ci.common.NativeImageReinitialize()

  private jdk.vm.ci.hotspot.Cleaner next;
    descriptor: Ljdk/vm/ci/hotspot/Cleaner;
    flags: (0x0002) ACC_PRIVATE

  private jdk.vm.ci.hotspot.Cleaner prev;
    descriptor: Ljdk/vm/ci/hotspot/Cleaner;
    flags: (0x0002) ACC_PRIVATE

  private static final java.lang.ref.ReferenceQueue<java.lang.Object> queue;
    descriptor: Ljava/lang/ref/ReferenceQueue;
    flags: (0x001a) ACC_PRIVATE, ACC_STATIC, ACC_FINAL
    Signature: Ljava/lang/ref/ReferenceQueue<Ljava/lang/Object;>;

  static void <clinit>();
    descriptor: ()V
    flags: (0x0008) ACC_STATIC
    Code:
      stack=2, locals=0, args_size=0
         0: .line 119
            new java.lang.ref.ReferenceQueue
            dup
            invokespecial java.lang.ref.ReferenceQueue.<init>:()V
            putstatic jdk.vm.ci.hotspot.Cleaner.queue:Ljava/lang/ref/ReferenceQueue;
            return
      LocalVariableTable:
        Start  End  Slot  Name  Signature

  void <init>(java.lang.Object);
    descriptor: (Ljava/lang/Object;)V
    flags: (0x0000) 
    Code:
      stack=3, locals=2, args_size=2
        start local 0 // jdk.vm.ci.hotspot.Cleaner this
        start local 1 // java.lang.Object referent
         0: .line 53
            aload 0 /* this */
            aload 1 /* referent */
            getstatic jdk.vm.ci.hotspot.Cleaner.queue:Ljava/lang/ref/ReferenceQueue;
            invokespecial java.lang.ref.WeakReference.<init>:(Ljava/lang/Object;Ljava/lang/ref/ReferenceQueue;)V
         1: .line 49
            aload 0 /* this */
            aconst_null
            putfield jdk.vm.ci.hotspot.Cleaner.next:Ljdk/vm/ci/hotspot/Cleaner;
         2: .line 50
            aload 0 /* this */
            aconst_null
            putfield jdk.vm.ci.hotspot.Cleaner.prev:Ljdk/vm/ci/hotspot/Cleaner;
         3: .line 54
            aload 0 /* this */
            invokestatic jdk.vm.ci.hotspot.Cleaner.add:(Ljdk/vm/ci/hotspot/Cleaner;)Ljdk/vm/ci/hotspot/Cleaner;
            pop
         4: .line 55
            return
        end local 1 // java.lang.Object referent
        end local 0 // jdk.vm.ci.hotspot.Cleaner this
      LocalVariableTable:
        Start  End  Slot      Name  Signature
            0    5     0      this  Ljdk/vm/ci/hotspot/Cleaner;
            0    5     1  referent  Ljava/lang/Object;
    MethodParameters:
          Name  Flags
      referent  

  private static synchronized jdk.vm.ci.hotspot.Cleaner add(jdk.vm.ci.hotspot.Cleaner);
    descriptor: (Ljdk/vm/ci/hotspot/Cleaner;)Ljdk/vm/ci/hotspot/Cleaner;
    flags: (0x002a) ACC_PRIVATE, ACC_STATIC, ACC_SYNCHRONIZED
    Code:
      stack=2, locals=1, args_size=1
        start local 0 // jdk.vm.ci.hotspot.Cleaner cl
         0: .line 58
            getstatic jdk.vm.ci.hotspot.Cleaner.first:Ljdk/vm/ci/hotspot/Cleaner;
            ifnull 2
         1: .line 59
            invokestatic jdk.vm.ci.hotspot.Cleaner.clean:()V
         2: .line 61
      StackMap locals:
      StackMap stack:
            getstatic jdk.vm.ci.hotspot.Cleaner.first:Ljdk/vm/ci/hotspot/Cleaner;
            ifnull 5
         3: .line 62
            aload 0 /* cl */
            getstatic jdk.vm.ci.hotspot.Cleaner.first:Ljdk/vm/ci/hotspot/Cleaner;
            putfield jdk.vm.ci.hotspot.Cleaner.next:Ljdk/vm/ci/hotspot/Cleaner;
         4: .line 63
            getstatic jdk.vm.ci.hotspot.Cleaner.first:Ljdk/vm/ci/hotspot/Cleaner;
            aload 0 /* cl */
            putfield jdk.vm.ci.hotspot.Cleaner.prev:Ljdk/vm/ci/hotspot/Cleaner;
         5: .line 65
      StackMap locals:
      StackMap stack:
            aload 0 /* cl */
            putstatic jdk.vm.ci.hotspot.Cleaner.first:Ljdk/vm/ci/hotspot/Cleaner;
         6: .line 66
            aload 0 /* cl */
            areturn
        end local 0 // jdk.vm.ci.hotspot.Cleaner cl
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    7     0    cl  Ljdk/vm/ci/hotspot/Cleaner;
    MethodParameters:
      Name  Flags
      cl    

  private static synchronized void remove(jdk.vm.ci.hotspot.Cleaner);
    descriptor: (Ljdk/vm/ci/hotspot/Cleaner;)V
    flags: (0x002a) ACC_PRIVATE, ACC_STATIC, ACC_SYNCHRONIZED
    Code:
      stack=2, locals=1, args_size=1
        start local 0 // jdk.vm.ci.hotspot.Cleaner cl
         0: .line 74
            aload 0 /* cl */
            getfield jdk.vm.ci.hotspot.Cleaner.next:Ljdk/vm/ci/hotspot/Cleaner;
            aload 0 /* cl */
            if_acmpne 2
         1: .line 75
            return
         2: .line 79
      StackMap locals:
      StackMap stack:
            getstatic jdk.vm.ci.hotspot.Cleaner.first:Ljdk/vm/ci/hotspot/Cleaner;
            aload 0 /* cl */
            if_acmpne 7
         3: .line 80
            aload 0 /* cl */
            getfield jdk.vm.ci.hotspot.Cleaner.next:Ljdk/vm/ci/hotspot/Cleaner;
            ifnull 6
         4: .line 81
            aload 0 /* cl */
            getfield jdk.vm.ci.hotspot.Cleaner.next:Ljdk/vm/ci/hotspot/Cleaner;
            putstatic jdk.vm.ci.hotspot.Cleaner.first:Ljdk/vm/ci/hotspot/Cleaner;
         5: .line 82
            goto 7
         6: .line 83
      StackMap locals:
      StackMap stack:
            aload 0 /* cl */
            getfield jdk.vm.ci.hotspot.Cleaner.prev:Ljdk/vm/ci/hotspot/Cleaner;
            putstatic jdk.vm.ci.hotspot.Cleaner.first:Ljdk/vm/ci/hotspot/Cleaner;
         7: .line 86
      StackMap locals:
      StackMap stack:
            aload 0 /* cl */
            getfield jdk.vm.ci.hotspot.Cleaner.next:Ljdk/vm/ci/hotspot/Cleaner;
            ifnull 9
         8: .line 87
            aload 0 /* cl */
            getfield jdk.vm.ci.hotspot.Cleaner.next:Ljdk/vm/ci/hotspot/Cleaner;
            aload 0 /* cl */
            getfield jdk.vm.ci.hotspot.Cleaner.prev:Ljdk/vm/ci/hotspot/Cleaner;
            putfield jdk.vm.ci.hotspot.Cleaner.prev:Ljdk/vm/ci/hotspot/Cleaner;
         9: .line 89
      StackMap locals:
      StackMap stack:
            aload 0 /* cl */
            getfield jdk.vm.ci.hotspot.Cleaner.prev:Ljdk/vm/ci/hotspot/Cleaner;
            ifnull 11
        10: .line 90
            aload 0 /* cl */
            getfield jdk.vm.ci.hotspot.Cleaner.prev:Ljdk/vm/ci/hotspot/Cleaner;
            aload 0 /* cl */
            getfield jdk.vm.ci.hotspot.Cleaner.next:Ljdk/vm/ci/hotspot/Cleaner;
            putfield jdk.vm.ci.hotspot.Cleaner.next:Ljdk/vm/ci/hotspot/Cleaner;
        11: .line 94
      StackMap locals:
      StackMap stack:
            aload 0 /* cl */
            aload 0 /* cl */
            putfield jdk.vm.ci.hotspot.Cleaner.next:Ljdk/vm/ci/hotspot/Cleaner;
        12: .line 95
            aload 0 /* cl */
            aload 0 /* cl */
            putfield jdk.vm.ci.hotspot.Cleaner.prev:Ljdk/vm/ci/hotspot/Cleaner;
        13: .line 96
            return
        end local 0 // jdk.vm.ci.hotspot.Cleaner cl
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0   14     0    cl  Ljdk/vm/ci/hotspot/Cleaner;
    MethodParameters:
      Name  Flags
      cl    

  abstract void doCleanup();
    descriptor: ()V
    flags: (0x0400) ACC_ABSTRACT

  static void clean();
    descriptor: ()V
    flags: (0x0008) ACC_STATIC
    Code:
      stack=1, locals=1, args_size=0
         0: .line 107
            getstatic jdk.vm.ci.hotspot.Cleaner.queue:Ljava/lang/ref/ReferenceQueue;
            invokevirtual java.lang.ref.ReferenceQueue.poll:()Ljava/lang/ref/Reference;
            checkcast jdk.vm.ci.hotspot.Cleaner
            astore 0 /* c */
        start local 0 // jdk.vm.ci.hotspot.Cleaner c
         1: .line 108
            goto 5
         2: .line 109
      StackMap locals: jdk.vm.ci.hotspot.Cleaner
      StackMap stack:
            aload 0 /* c */
            invokestatic jdk.vm.ci.hotspot.Cleaner.remove:(Ljdk/vm/ci/hotspot/Cleaner;)V
         3: .line 110
            aload 0 /* c */
            invokevirtual jdk.vm.ci.hotspot.Cleaner.doCleanup:()V
         4: .line 111
            getstatic jdk.vm.ci.hotspot.Cleaner.queue:Ljava/lang/ref/ReferenceQueue;
            invokevirtual java.lang.ref.ReferenceQueue.poll:()Ljava/lang/ref/Reference;
            checkcast jdk.vm.ci.hotspot.Cleaner
            astore 0 /* c */
         5: .line 108
      StackMap locals:
      StackMap stack:
            aload 0 /* c */
            ifnonnull 2
         6: .line 113
            return
        end local 0 // jdk.vm.ci.hotspot.Cleaner c
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            1    7     0     c  Ljdk/vm/ci/hotspot/Cleaner;
}
Signature: Ljava/lang/ref/WeakReference<Ljava/lang/Object;>;
SourceFile: "Cleaner.java"