https://www.graalvm.org/ 
final class com.oracle.truffle.js.builtins.ConstructorBuiltins$ConstructArrayNode$ConstructArrayAllocationSite implements com.oracle.truffle.js.runtime.array.ArrayAllocationSite
  minor version: 0
  major version: 59
  flags: flags: (0x0030) ACC_FINAL, ACC_SUPER
  this_class: com.oracle.truffle.js.builtins.ConstructorBuiltins$ConstructArrayNode$ConstructArrayAllocationSite
  super_class: java.lang.Object
{
  private static final com.oracle.truffle.js.runtime.array.ScriptArray UNINIT_ARRAY_TYPE;
    descriptor: Lcom/oracle/truffle/js/runtime/array/ScriptArray;
    flags: (0x001a) ACC_PRIVATE, ACC_STATIC, ACC_FINAL

  private com.oracle.truffle.js.runtime.array.ScriptArray concreteArrayType;
    descriptor: Lcom/oracle/truffle/js/runtime/array/ScriptArray;
    flags: (0x0002) ACC_PRIVATE
    RuntimeVisibleAnnotations: 
      com.oracle.truffle.api.CompilerDirectives$CompilationFinal()

  private com.oracle.truffle.api.Assumption assumption;
    descriptor: Lcom/oracle/truffle/api/Assumption;
    flags: (0x0002) ACC_PRIVATE
    RuntimeVisibleAnnotations: 
      com.oracle.truffle.api.CompilerDirectives$CompilationFinal()

  static final boolean $assertionsDisabled;
    descriptor: Z
    flags: (0x1018) ACC_STATIC, ACC_FINAL, ACC_SYNTHETIC

  static void <clinit>();
    descriptor: ()V
    flags: (0x0008) ACC_STATIC
    Code:
      stack=1, locals=0, args_size=0
         0: .line 729
            ldc Lcom/oracle/truffle/js/builtins/ConstructorBuiltins;
            invokevirtual java.lang.Class.desiredAssertionStatus:()Z
            ifne 1
            iconst_1
            goto 2
      StackMap locals:
      StackMap stack:
         1: iconst_0
      StackMap locals:
      StackMap stack: int
         2: putstatic com.oracle.truffle.js.builtins.ConstructorBuiltins$ConstructArrayNode$ConstructArrayAllocationSite.$assertionsDisabled:Z
         3: .line 730
            invokestatic com.oracle.truffle.js.runtime.array.ScriptArray.createConstantEmptyArray:()Lcom/oracle/truffle/js/runtime/array/dyn/AbstractConstantArray;
            putstatic com.oracle.truffle.js.builtins.ConstructorBuiltins$ConstructArrayNode$ConstructArrayAllocationSite.UNINIT_ARRAY_TYPE:Lcom/oracle/truffle/js/runtime/array/ScriptArray;
            return
      LocalVariableTable:
        Start  End  Slot  Name  Signature

  private void <init>();
    descriptor: ()V
    flags: (0x0002) ACC_PRIVATE
    Code:
      stack=3, locals=1, args_size=1
        start local 0 // com.oracle.truffle.js.builtins.ConstructorBuiltins$ConstructArrayNode$ConstructArrayAllocationSite this
         0: .line 729
            aload 0 /* this */
            invokespecial java.lang.Object.<init>:()V
         1: .line 731
            aload 0 /* this */
            getstatic com.oracle.truffle.js.builtins.ConstructorBuiltins$ConstructArrayNode$ConstructArrayAllocationSite.UNINIT_ARRAY_TYPE:Lcom/oracle/truffle/js/runtime/array/ScriptArray;
            putfield com.oracle.truffle.js.builtins.ConstructorBuiltins$ConstructArrayNode$ConstructArrayAllocationSite.concreteArrayType:Lcom/oracle/truffle/js/runtime/array/ScriptArray;
         2: .line 732
            aload 0 /* this */
            invokestatic com.oracle.truffle.api.Truffle.getRuntime:()Lcom/oracle/truffle/api/TruffleRuntime;
            ldc "Array allocation site (untyped)"
            invokeinterface com.oracle.truffle.api.TruffleRuntime.createAssumption:(Ljava/lang/String;)Lcom/oracle/truffle/api/Assumption;
            putfield com.oracle.truffle.js.builtins.ConstructorBuiltins$ConstructArrayNode$ConstructArrayAllocationSite.assumption:Lcom/oracle/truffle/api/Assumption;
         3: .line 729
            return
        end local 0 // com.oracle.truffle.js.builtins.ConstructorBuiltins$ConstructArrayNode$ConstructArrayAllocationSite this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    4     0  this  Lcom/oracle/truffle/js/builtins/ConstructorBuiltins$ConstructArrayNode$ConstructArrayAllocationSite;

  public boolean isTyped();
    descriptor: ()Z
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=1, args_size=1
        start local 0 // com.oracle.truffle.js.builtins.ConstructorBuiltins$ConstructArrayNode$ConstructArrayAllocationSite this
         0: .line 735
            aload 0 /* this */
            getfield com.oracle.truffle.js.builtins.ConstructorBuiltins$ConstructArrayNode$ConstructArrayAllocationSite.assumption:Lcom/oracle/truffle/api/Assumption;
            invokeinterface com.oracle.truffle.api.Assumption.isValid:()Z
            ifeq 1
            aload 0 /* this */
            getfield com.oracle.truffle.js.builtins.ConstructorBuiltins$ConstructArrayNode$ConstructArrayAllocationSite.concreteArrayType:Lcom/oracle/truffle/js/runtime/array/ScriptArray;
            getstatic com.oracle.truffle.js.builtins.ConstructorBuiltins$ConstructArrayNode$ConstructArrayAllocationSite.UNINIT_ARRAY_TYPE:Lcom/oracle/truffle/js/runtime/array/ScriptArray;
            if_acmpeq 1
            aload 0 /* this */
            getfield com.oracle.truffle.js.builtins.ConstructorBuiltins$ConstructArrayNode$ConstructArrayAllocationSite.concreteArrayType:Lcom/oracle/truffle/js/runtime/array/ScriptArray;
            ifnull 1
            iconst_1
            ireturn
      StackMap locals:
      StackMap stack:
         1: iconst_0
            ireturn
        end local 0 // com.oracle.truffle.js.builtins.ConstructorBuiltins$ConstructArrayNode$ConstructArrayAllocationSite this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    2     0  this  Lcom/oracle/truffle/js/builtins/ConstructorBuiltins$ConstructArrayNode$ConstructArrayAllocationSite;

  public void notifyArrayTransition(com.oracle.truffle.js.runtime.array.ScriptArray, int);
    descriptor: (Lcom/oracle/truffle/js/runtime/array/ScriptArray;I)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=3, locals=3, args_size=3
        start local 0 // com.oracle.truffle.js.builtins.ConstructorBuiltins$ConstructArrayNode$ConstructArrayAllocationSite this
        start local 1 // com.oracle.truffle.js.runtime.array.ScriptArray arrayType
        start local 2 // int length
         0: .line 740
            ldc "do not notify array transitions from compiled code"
            invokestatic com.oracle.truffle.api.CompilerAsserts.neverPartOfCompilation:(Ljava/lang/String;)V
         1: .line 741
            getstatic com.oracle.truffle.js.builtins.ConstructorBuiltins$ConstructArrayNode$ConstructArrayAllocationSite.$assertionsDisabled:Z
            ifne 2
            getstatic com.oracle.truffle.js.runtime.JSConfig.TrackArrayAllocationSites:Z
            ifne 2
            new java.lang.AssertionError
            dup
            invokespecial java.lang.AssertionError.<init>:()V
            athrow
         2: .line 742
      StackMap locals:
      StackMap stack:
            aload 1 /* arrayType */
            instanceof com.oracle.truffle.js.runtime.array.dyn.AbstractWritableArray
            ifeq 11
            iload 2 /* length */
            ifle 11
         3: .line 743
            aload 0 /* this */
            getfield com.oracle.truffle.js.builtins.ConstructorBuiltins$ConstructArrayNode$ConstructArrayAllocationSite.concreteArrayType:Lcom/oracle/truffle/js/runtime/array/ScriptArray;
            getstatic com.oracle.truffle.js.builtins.ConstructorBuiltins$ConstructArrayNode$ConstructArrayAllocationSite.UNINIT_ARRAY_TYPE:Lcom/oracle/truffle/js/runtime/array/ScriptArray;
            if_acmpne 8
         4: .line 744
            aload 0 /* this */
            aload 1 /* arrayType */
            putfield com.oracle.truffle.js.builtins.ConstructorBuiltins$ConstructArrayNode$ConstructArrayAllocationSite.concreteArrayType:Lcom/oracle/truffle/js/runtime/array/ScriptArray;
         5: .line 745
            aload 0 /* this */
            getfield com.oracle.truffle.js.builtins.ConstructorBuiltins$ConstructArrayNode$ConstructArrayAllocationSite.assumption:Lcom/oracle/truffle/api/Assumption;
            ldc "TypedArray type initialization"
            invokeinterface com.oracle.truffle.api.Assumption.invalidate:(Ljava/lang/String;)V
         6: .line 746
            aload 0 /* this */
            invokestatic com.oracle.truffle.api.Truffle.getRuntime:()Lcom/oracle/truffle/api/TruffleRuntime;
            ldc "Array allocation site (typed)"
            invokeinterface com.oracle.truffle.api.TruffleRuntime.createAssumption:(Ljava/lang/String;)Lcom/oracle/truffle/api/Assumption;
            putfield com.oracle.truffle.js.builtins.ConstructorBuiltins$ConstructArrayNode$ConstructArrayAllocationSite.assumption:Lcom/oracle/truffle/api/Assumption;
         7: .line 747
            goto 11
      StackMap locals:
      StackMap stack:
         8: aload 0 /* this */
            getfield com.oracle.truffle.js.builtins.ConstructorBuiltins$ConstructArrayNode$ConstructArrayAllocationSite.concreteArrayType:Lcom/oracle/truffle/js/runtime/array/ScriptArray;
            aload 1 /* arrayType */
            if_acmpeq 11
         9: .line 748
            aload 0 /* this */
            aconst_null
            putfield com.oracle.truffle.js.builtins.ConstructorBuiltins$ConstructArrayNode$ConstructArrayAllocationSite.concreteArrayType:Lcom/oracle/truffle/js/runtime/array/ScriptArray;
        10: .line 749
            aload 0 /* this */
            getfield com.oracle.truffle.js.builtins.ConstructorBuiltins$ConstructArrayNode$ConstructArrayAllocationSite.assumption:Lcom/oracle/truffle/api/Assumption;
            ldc "TypedArray type rewrite"
            invokeinterface com.oracle.truffle.api.Assumption.invalidate:(Ljava/lang/String;)V
        11: .line 752
      StackMap locals:
      StackMap stack:
            return
        end local 2 // int length
        end local 1 // com.oracle.truffle.js.runtime.array.ScriptArray arrayType
        end local 0 // com.oracle.truffle.js.builtins.ConstructorBuiltins$ConstructArrayNode$ConstructArrayAllocationSite this
      LocalVariableTable:
        Start  End  Slot       Name  Signature
            0   12     0       this  Lcom/oracle/truffle/js/builtins/ConstructorBuiltins$ConstructArrayNode$ConstructArrayAllocationSite;
            0   12     1  arrayType  Lcom/oracle/truffle/js/runtime/array/ScriptArray;
            0   12     2     length  I
    MethodParameters:
           Name  Flags
      arrayType  
      length     

  public com.oracle.truffle.js.runtime.array.ScriptArray getInitialArrayType();
    descriptor: ()Lcom/oracle/truffle/js/runtime/array/ScriptArray;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // com.oracle.truffle.js.builtins.ConstructorBuiltins$ConstructArrayNode$ConstructArrayAllocationSite this
         0: .line 756
            aload 0 /* this */
            invokevirtual com.oracle.truffle.js.builtins.ConstructorBuiltins$ConstructArrayNode$ConstructArrayAllocationSite.isTyped:()Z
            ifeq 2
         1: .line 757
            aload 0 /* this */
            getfield com.oracle.truffle.js.builtins.ConstructorBuiltins$ConstructArrayNode$ConstructArrayAllocationSite.concreteArrayType:Lcom/oracle/truffle/js/runtime/array/ScriptArray;
            areturn
         2: .line 759
      StackMap locals:
      StackMap stack:
            aconst_null
            areturn
        end local 0 // com.oracle.truffle.js.builtins.ConstructorBuiltins$ConstructArrayNode$ConstructArrayAllocationSite this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    3     0  this  Lcom/oracle/truffle/js/builtins/ConstructorBuiltins$ConstructArrayNode$ConstructArrayAllocationSite;
}
SourceFile: "ConstructorBuiltins.java"
NestHost: com.oracle.truffle.js.builtins.ConstructorBuiltins
InnerClasses:
  public abstract CompilationFinal = com.oracle.truffle.api.CompilerDirectives$CompilationFinal of com.oracle.truffle.api.CompilerDirectives
  public abstract ConstructArrayNode = com.oracle.truffle.js.builtins.ConstructorBuiltins$ConstructArrayNode of com.oracle.truffle.js.builtins.ConstructorBuiltins
  private final ConstructArrayAllocationSite = com.oracle.truffle.js.builtins.ConstructorBuiltins$ConstructArrayNode$ConstructArrayAllocationSite of com.oracle.truffle.js.builtins.ConstructorBuiltins$ConstructArrayNode