https://www.graalvm.org/ 
public final class com.oracle.truffle.js.runtime.GraalJSException$IsIdenticalOrUndefined
  minor version: 0
  major version: 59
  flags: flags: (0x0031) ACC_PUBLIC, ACC_FINAL, ACC_SUPER
  this_class: com.oracle.truffle.js.runtime.GraalJSException$IsIdenticalOrUndefined
  super_class: java.lang.Object
{
  public void <init>();
    descriptor: ()V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // com.oracle.truffle.js.runtime.GraalJSException$IsIdenticalOrUndefined this
         0: .line 552
            aload 0 /* this */
            invokespecial java.lang.Object.<init>:()V
            return
        end local 0 // com.oracle.truffle.js.runtime.GraalJSException$IsIdenticalOrUndefined this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lcom/oracle/truffle/js/runtime/GraalJSException$IsIdenticalOrUndefined;

  public static com.oracle.truffle.api.utilities.TriState doException(com.oracle.truffle.js.runtime.GraalJSException, com.oracle.truffle.js.runtime.GraalJSException, com.oracle.truffle.api.interop.InteropLibrary, com.oracle.truffle.api.interop.InteropLibrary);
    descriptor: (Lcom/oracle/truffle/js/runtime/GraalJSException;Lcom/oracle/truffle/js/runtime/GraalJSException;Lcom/oracle/truffle/api/interop/InteropLibrary;Lcom/oracle/truffle/api/interop/InteropLibrary;)Lcom/oracle/truffle/api/utilities/TriState;
    flags: (0x0009) ACC_PUBLIC, ACC_STATIC
    Code:
      stack=4, locals=6, args_size=4
        start local 0 // com.oracle.truffle.js.runtime.GraalJSException receiver
        start local 1 // com.oracle.truffle.js.runtime.GraalJSException other
        start local 2 // com.oracle.truffle.api.interop.InteropLibrary thisLib
        start local 3 // com.oracle.truffle.api.interop.InteropLibrary otherLib
         0: .line 557
            aload 0 /* receiver */
            aload 1 /* other */
            if_acmpne 2
         1: .line 558
            getstatic com.oracle.truffle.api.utilities.TriState.TRUE:Lcom/oracle/truffle/api/utilities/TriState;
            areturn
         2: .line 560
      StackMap locals:
      StackMap stack:
            aload 0 /* receiver */
            invokevirtual com.oracle.truffle.js.runtime.GraalJSException.getErrorObject:()Ljava/lang/Object;
            astore 4 /* thisObj */
        start local 4 // java.lang.Object thisObj
         3: .line 561
            aload 4 /* thisObj */
            ifnonnull 5
         4: .line 563
            getstatic com.oracle.truffle.api.utilities.TriState.FALSE:Lcom/oracle/truffle/api/utilities/TriState;
            areturn
         5: .line 565
      StackMap locals: java.lang.Object
      StackMap stack:
            aload 1 /* other */
            invokevirtual com.oracle.truffle.js.runtime.GraalJSException.getErrorObject:()Ljava/lang/Object;
            astore 5 /* otherObj */
        start local 5 // java.lang.Object otherObj
         6: .line 566
            aload 5 /* otherObj */
            ifnonnull 8
         7: .line 567
            getstatic com.oracle.truffle.api.utilities.TriState.FALSE:Lcom/oracle/truffle/api/utilities/TriState;
            areturn
         8: .line 570
      StackMap locals: java.lang.Object
      StackMap stack:
            aload 2 /* thisLib */
            aload 4 /* thisObj */
            invokevirtual com.oracle.truffle.api.interop.InteropLibrary.hasIdentity:(Ljava/lang/Object;)Z
            ifeq 10
            aload 3 /* otherLib */
            aload 1 /* other */
            invokevirtual com.oracle.truffle.api.interop.InteropLibrary.hasIdentity:(Ljava/lang/Object;)Z
            ifeq 10
         9: .line 571
            aload 2 /* thisLib */
            aload 4 /* thisObj */
            aload 1 /* other */
            aload 3 /* otherLib */
            invokevirtual com.oracle.truffle.api.interop.InteropLibrary.isIdentical:(Ljava/lang/Object;Ljava/lang/Object;Lcom/oracle/truffle/api/interop/InteropLibrary;)Z
            invokestatic com.oracle.truffle.api.utilities.TriState.valueOf:(Z)Lcom/oracle/truffle/api/utilities/TriState;
            areturn
        10: .line 573
      StackMap locals:
      StackMap stack:
            getstatic com.oracle.truffle.api.utilities.TriState.UNDEFINED:Lcom/oracle/truffle/api/utilities/TriState;
            areturn
        end local 5 // java.lang.Object otherObj
        end local 4 // java.lang.Object thisObj
        end local 3 // com.oracle.truffle.api.interop.InteropLibrary otherLib
        end local 2 // com.oracle.truffle.api.interop.InteropLibrary thisLib
        end local 1 // com.oracle.truffle.js.runtime.GraalJSException other
        end local 0 // com.oracle.truffle.js.runtime.GraalJSException receiver
      LocalVariableTable:
        Start  End  Slot      Name  Signature
            0   11     0  receiver  Lcom/oracle/truffle/js/runtime/GraalJSException;
            0   11     1     other  Lcom/oracle/truffle/js/runtime/GraalJSException;
            0   11     2   thisLib  Lcom/oracle/truffle/api/interop/InteropLibrary;
            0   11     3  otherLib  Lcom/oracle/truffle/api/interop/InteropLibrary;
            3   11     4   thisObj  Ljava/lang/Object;
            6   11     5  otherObj  Ljava/lang/Object;
    RuntimeVisibleAnnotations: 
      com.oracle.truffle.api.dsl.Specialization()
    RuntimeInvisibleParameterAnnotations: 
      0:
      1:
      2:
        com.oracle.truffle.api.library.CachedLibrary(limit = "InteropLibraryLimit")
        com.oracle.truffle.api.dsl.Cached$Shared(value = "thisLib")
      3:
        com.oracle.truffle.api.library.CachedLibrary(limit = "InteropLibraryLimit")
        com.oracle.truffle.api.dsl.Cached$Shared(value = "otherLib")
    MethodParameters:
          Name  Flags
      receiver  
      other     
      thisLib   
      otherLib  

  public static com.oracle.truffle.api.utilities.TriState doJSObject(com.oracle.truffle.js.runtime.GraalJSException, com.oracle.truffle.js.runtime.objects.JSDynamicObject);
    descriptor: (Lcom/oracle/truffle/js/runtime/GraalJSException;Lcom/oracle/truffle/js/runtime/objects/JSDynamicObject;)Lcom/oracle/truffle/api/utilities/TriState;
    flags: (0x0009) ACC_PUBLIC, ACC_STATIC
    Code:
      stack=2, locals=3, args_size=2
        start local 0 // com.oracle.truffle.js.runtime.GraalJSException receiver
        start local 1 // com.oracle.truffle.js.runtime.objects.JSDynamicObject other
         0: .line 579
            aload 0 /* receiver */
            invokevirtual com.oracle.truffle.js.runtime.GraalJSException.getErrorObject:()Ljava/lang/Object;
            astore 2 /* thisObj */
        start local 2 // java.lang.Object thisObj
         1: .line 580
            aload 2 /* thisObj */
            ifnonnull 3
         2: .line 582
            getstatic com.oracle.truffle.api.utilities.TriState.FALSE:Lcom/oracle/truffle/api/utilities/TriState;
            areturn
         3: .line 584
      StackMap locals: java.lang.Object
      StackMap stack:
            aload 2 /* thisObj */
            aload 1 /* other */
            if_acmpne 4
            iconst_1
            goto 5
      StackMap locals:
      StackMap stack:
         4: iconst_0
      StackMap locals:
      StackMap stack: int
         5: invokestatic com.oracle.truffle.api.utilities.TriState.valueOf:(Z)Lcom/oracle/truffle/api/utilities/TriState;
            areturn
        end local 2 // java.lang.Object thisObj
        end local 1 // com.oracle.truffle.js.runtime.objects.JSDynamicObject other
        end local 0 // com.oracle.truffle.js.runtime.GraalJSException receiver
      LocalVariableTable:
        Start  End  Slot      Name  Signature
            0    6     0  receiver  Lcom/oracle/truffle/js/runtime/GraalJSException;
            0    6     1     other  Lcom/oracle/truffle/js/runtime/objects/JSDynamicObject;
            1    6     2   thisObj  Ljava/lang/Object;
    RuntimeVisibleAnnotations: 
      com.oracle.truffle.api.dsl.Specialization()
    MethodParameters:
          Name  Flags
      receiver  
      other     

  public static com.oracle.truffle.api.utilities.TriState doOther(com.oracle.truffle.js.runtime.GraalJSException, java.lang.Object, com.oracle.truffle.api.interop.InteropLibrary, com.oracle.truffle.api.interop.InteropLibrary);
    descriptor: (Lcom/oracle/truffle/js/runtime/GraalJSException;Ljava/lang/Object;Lcom/oracle/truffle/api/interop/InteropLibrary;Lcom/oracle/truffle/api/interop/InteropLibrary;)Lcom/oracle/truffle/api/utilities/TriState;
    flags: (0x0009) ACC_PUBLIC, ACC_STATIC
    Code:
      stack=4, locals=5, args_size=4
        start local 0 // com.oracle.truffle.js.runtime.GraalJSException receiver
        start local 1 // java.lang.Object other
        start local 2 // com.oracle.truffle.api.interop.InteropLibrary thisLib
        start local 3 // com.oracle.truffle.api.interop.InteropLibrary otherLib
         0: .line 591
            aload 0 /* receiver */
            invokevirtual com.oracle.truffle.js.runtime.GraalJSException.getErrorObject:()Ljava/lang/Object;
            astore 4 /* thisObj */
        start local 4 // java.lang.Object thisObj
         1: .line 592
            aload 4 /* thisObj */
            ifnonnull 5
         2: .line 596
            aload 1 /* other */
            instanceof com.oracle.truffle.js.runtime.objects.JSDynamicObject
            ifeq 3
            getstatic com.oracle.truffle.api.utilities.TriState.FALSE:Lcom/oracle/truffle/api/utilities/TriState;
            goto 4
      StackMap locals: java.lang.Object
      StackMap stack:
         3: getstatic com.oracle.truffle.api.utilities.TriState.UNDEFINED:Lcom/oracle/truffle/api/utilities/TriState;
      StackMap locals:
      StackMap stack: com.oracle.truffle.api.utilities.TriState
         4: areturn
         5: .line 599
      StackMap locals:
      StackMap stack:
            aload 2 /* thisLib */
            aload 4 /* thisObj */
            invokevirtual com.oracle.truffle.api.interop.InteropLibrary.hasIdentity:(Ljava/lang/Object;)Z
            ifeq 7
            aload 3 /* otherLib */
            aload 1 /* other */
            invokevirtual com.oracle.truffle.api.interop.InteropLibrary.hasIdentity:(Ljava/lang/Object;)Z
            ifeq 7
         6: .line 600
            aload 2 /* thisLib */
            aload 4 /* thisObj */
            aload 1 /* other */
            aload 3 /* otherLib */
            invokevirtual com.oracle.truffle.api.interop.InteropLibrary.isIdentical:(Ljava/lang/Object;Ljava/lang/Object;Lcom/oracle/truffle/api/interop/InteropLibrary;)Z
            invokestatic com.oracle.truffle.api.utilities.TriState.valueOf:(Z)Lcom/oracle/truffle/api/utilities/TriState;
            areturn
         7: .line 602
      StackMap locals:
      StackMap stack:
            getstatic com.oracle.truffle.api.utilities.TriState.UNDEFINED:Lcom/oracle/truffle/api/utilities/TriState;
            areturn
        end local 4 // java.lang.Object thisObj
        end local 3 // com.oracle.truffle.api.interop.InteropLibrary otherLib
        end local 2 // com.oracle.truffle.api.interop.InteropLibrary thisLib
        end local 1 // java.lang.Object other
        end local 0 // com.oracle.truffle.js.runtime.GraalJSException receiver
      LocalVariableTable:
        Start  End  Slot      Name  Signature
            0    8     0  receiver  Lcom/oracle/truffle/js/runtime/GraalJSException;
            0    8     1     other  Ljava/lang/Object;
            0    8     2   thisLib  Lcom/oracle/truffle/api/interop/InteropLibrary;
            0    8     3  otherLib  Lcom/oracle/truffle/api/interop/InteropLibrary;
            1    8     4   thisObj  Ljava/lang/Object;
    RuntimeVisibleAnnotations: 
      com.oracle.truffle.api.dsl.Specialization(guards = {"!isGraalJSException(other)"}, replaces = {"doJSObject"})
    RuntimeInvisibleParameterAnnotations: 
      0:
      1:
      2:
        com.oracle.truffle.api.library.CachedLibrary(limit = "InteropLibraryLimit")
        com.oracle.truffle.api.dsl.Cached$Shared(value = "thisLib")
      3:
        com.oracle.truffle.api.library.CachedLibrary(limit = "InteropLibraryLimit")
        com.oracle.truffle.api.dsl.Cached$Shared(value = "otherLib")
    MethodParameters:
          Name  Flags
      receiver  
      other     
      thisLib   
      otherLib  

  static boolean isGraalJSException(java.lang.Object);
    descriptor: (Ljava/lang/Object;)Z
    flags: (0x0008) ACC_STATIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // java.lang.Object value
         0: .line 607
            aload 0 /* value */
            instanceof com.oracle.truffle.js.runtime.GraalJSException
            ireturn
        end local 0 // java.lang.Object value
      LocalVariableTable:
        Start  End  Slot   Name  Signature
            0    1     0  value  Ljava/lang/Object;
    MethodParameters:
       Name  Flags
      value  
}
SourceFile: "GraalJSException.java"
NestHost: com.oracle.truffle.js.runtime.GraalJSException
InnerClasses:
  public abstract Shared = com.oracle.truffle.api.dsl.Cached$Shared of com.oracle.truffle.api.dsl.Cached
  public final IsIdenticalOrUndefined = com.oracle.truffle.js.runtime.GraalJSException$IsIdenticalOrUndefined of com.oracle.truffle.js.runtime.GraalJSException
    RuntimeVisibleAnnotations: 
      com.oracle.truffle.api.library.ExportMessage()
    RuntimeInvisibleAnnotations: 
      com.oracle.truffle.api.dsl.ImportStatic(value = {Lcom/oracle/truffle/js/runtime/JSConfig;})