https://www.graalvm.org/ 
public abstract class com.oracle.truffle.llvm.runtime.nodes.others.LLVMUnsupportedInstructionNode extends com.oracle.truffle.llvm.runtime.nodes.api.LLVMStatementNode
  minor version: 0
  major version: 59
  flags: flags: (0x0421) ACC_PUBLIC, ACC_SUPER, ACC_ABSTRACT
  this_class: com.oracle.truffle.llvm.runtime.nodes.others.LLVMUnsupportedInstructionNode
  super_class: com.oracle.truffle.llvm.runtime.nodes.api.LLVMStatementNode
{
  private final java.lang.String message;
    descriptor: Ljava/lang/String;
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL

  private final com.oracle.truffle.llvm.runtime.LLVMUnsupportedException$UnsupportedReason reason;
    descriptor: Lcom/oracle/truffle/llvm/runtime/LLVMUnsupportedException$UnsupportedReason;
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL

  public static com.oracle.truffle.llvm.runtime.nodes.others.LLVMUnsupportedInstructionNode create(com.oracle.truffle.llvm.runtime.LLVMUnsupportedException$UnsupportedReason);
    descriptor: (Lcom/oracle/truffle/llvm/runtime/LLVMUnsupportedException$UnsupportedReason;)Lcom/oracle/truffle/llvm/runtime/nodes/others/LLVMUnsupportedInstructionNode;
    flags: (0x0009) ACC_PUBLIC, ACC_STATIC
    Code:
      stack=3, locals=1, args_size=1
         0: .line 44
            new java.lang.Error
            dup
            ldc "Unresolved compilation problem: \n\tLLVMUnsupportedInstructionNodeGen cannot be resolved\n"
            invokespecial java.lang.Error.<init>:(Ljava/lang/String;)V
            athrow
      LocalVariableTable:
        Start  End  Slot  Name  Signature
    MethodParameters:
        Name  Flags
      reason  

  public static com.oracle.truffle.llvm.runtime.nodes.others.LLVMUnsupportedInstructionNode create(com.oracle.truffle.llvm.runtime.LLVMUnsupportedException$UnsupportedReason, java.lang.String);
    descriptor: (Lcom/oracle/truffle/llvm/runtime/LLVMUnsupportedException$UnsupportedReason;Ljava/lang/String;)Lcom/oracle/truffle/llvm/runtime/nodes/others/LLVMUnsupportedInstructionNode;
    flags: (0x0009) ACC_PUBLIC, ACC_STATIC
    Code:
      stack=3, locals=2, args_size=2
         0: .line 48
            new java.lang.Error
            dup
            ldc "Unresolved compilation problem: \n\tLLVMUnsupportedInstructionNodeGen cannot be resolved\n"
            invokespecial java.lang.Error.<init>:(Ljava/lang/String;)V
            athrow
      LocalVariableTable:
        Start  End  Slot  Name  Signature
    MethodParameters:
         Name  Flags
      reason   
      message  

  public static com.oracle.truffle.llvm.runtime.nodes.others.LLVMUnsupportedInstructionNode$LLVMUnsupportedExpressionNode createExpression(com.oracle.truffle.llvm.runtime.LLVMUnsupportedException$UnsupportedReason);
    descriptor: (Lcom/oracle/truffle/llvm/runtime/LLVMUnsupportedException$UnsupportedReason;)Lcom/oracle/truffle/llvm/runtime/nodes/others/LLVMUnsupportedInstructionNode$LLVMUnsupportedExpressionNode;
    flags: (0x0009) ACC_PUBLIC, ACC_STATIC
    Code:
      stack=3, locals=1, args_size=1
         0: .line 52
            new java.lang.Error
            dup
            ldc "Unresolved compilation problem: \n\tLLVMUnsupportedExpressionNodeGen cannot be resolved\n"
            invokespecial java.lang.Error.<init>:(Ljava/lang/String;)V
            athrow
      LocalVariableTable:
        Start  End  Slot  Name  Signature
    MethodParameters:
        Name  Flags
      reason  

  public static com.oracle.truffle.llvm.runtime.nodes.others.LLVMUnsupportedInstructionNode$LLVMUnsupportedExpressionNode createExpression(com.oracle.truffle.llvm.runtime.LLVMUnsupportedException$UnsupportedReason, java.lang.String);
    descriptor: (Lcom/oracle/truffle/llvm/runtime/LLVMUnsupportedException$UnsupportedReason;Ljava/lang/String;)Lcom/oracle/truffle/llvm/runtime/nodes/others/LLVMUnsupportedInstructionNode$LLVMUnsupportedExpressionNode;
    flags: (0x0009) ACC_PUBLIC, ACC_STATIC
    Code:
      stack=3, locals=2, args_size=2
         0: .line 56
            new java.lang.Error
            dup
            ldc "Unresolved compilation problem: \n\tLLVMUnsupportedExpressionNodeGen cannot be resolved\n"
            invokespecial java.lang.Error.<init>:(Ljava/lang/String;)V
            athrow
      LocalVariableTable:
        Start  End  Slot  Name  Signature
    MethodParameters:
         Name  Flags
      reason   
      message  

  void <init>(com.oracle.truffle.llvm.runtime.LLVMUnsupportedException$UnsupportedReason, java.lang.String);
    descriptor: (Lcom/oracle/truffle/llvm/runtime/LLVMUnsupportedException$UnsupportedReason;Ljava/lang/String;)V
    flags: (0x0000) 
    Code:
      stack=2, locals=3, args_size=3
        start local 0 // com.oracle.truffle.llvm.runtime.nodes.others.LLVMUnsupportedInstructionNode this
        start local 1 // com.oracle.truffle.llvm.runtime.LLVMUnsupportedException$UnsupportedReason reason
        start local 2 // java.lang.String message
         0: .line 62
            aload 0 /* this */
            invokespecial com.oracle.truffle.llvm.runtime.nodes.api.LLVMStatementNode.<init>:()V
         1: .line 63
            aload 0 /* this */
            aload 2 /* message */
            putfield com.oracle.truffle.llvm.runtime.nodes.others.LLVMUnsupportedInstructionNode.message:Ljava/lang/String;
         2: .line 64
            aload 0 /* this */
            aload 1 /* reason */
            putfield com.oracle.truffle.llvm.runtime.nodes.others.LLVMUnsupportedInstructionNode.reason:Lcom/oracle/truffle/llvm/runtime/LLVMUnsupportedException$UnsupportedReason;
         3: .line 65
            return
        end local 2 // java.lang.String message
        end local 1 // com.oracle.truffle.llvm.runtime.LLVMUnsupportedException$UnsupportedReason reason
        end local 0 // com.oracle.truffle.llvm.runtime.nodes.others.LLVMUnsupportedInstructionNode this
      LocalVariableTable:
        Start  End  Slot     Name  Signature
            0    4     0     this  Lcom/oracle/truffle/llvm/runtime/nodes/others/LLVMUnsupportedInstructionNode;
            0    4     1   reason  Lcom/oracle/truffle/llvm/runtime/LLVMUnsupportedException$UnsupportedReason;
            0    4     2  message  Ljava/lang/String;
    MethodParameters:
         Name  Flags
      reason   
      message  

  void doUnsupported();
    descriptor: ()V
    flags: (0x0000) 
    Code:
      stack=7, locals=1, args_size=1
        start local 0 // com.oracle.truffle.llvm.runtime.nodes.others.LLVMUnsupportedInstructionNode this
         0: .line 69
            invokestatic com.oracle.truffle.api.CompilerDirectives.transferToInterpreter:()V
         1: .line 70
            aload 0 /* this */
            getfield com.oracle.truffle.llvm.runtime.nodes.others.LLVMUnsupportedInstructionNode.message:Ljava/lang/String;
            ifnonnull 3
         2: .line 71
            new com.oracle.truffle.llvm.runtime.LLVMUnsupportedException
            dup
            aload 0 /* this */
            aload 0 /* this */
            getfield com.oracle.truffle.llvm.runtime.nodes.others.LLVMUnsupportedInstructionNode.reason:Lcom/oracle/truffle/llvm/runtime/LLVMUnsupportedException$UnsupportedReason;
            invokespecial com.oracle.truffle.llvm.runtime.LLVMUnsupportedException.<init>:(Lcom/oracle/truffle/api/nodes/Node;Lcom/oracle/truffle/llvm/runtime/LLVMUnsupportedException$UnsupportedReason;)V
            athrow
         3: .line 73
      StackMap locals:
      StackMap stack:
            new com.oracle.truffle.llvm.runtime.LLVMUnsupportedException
            dup
            aload 0 /* this */
            aload 0 /* this */
            getfield com.oracle.truffle.llvm.runtime.nodes.others.LLVMUnsupportedInstructionNode.reason:Lcom/oracle/truffle/llvm/runtime/LLVMUnsupportedException$UnsupportedReason;
            new java.lang.StringBuilder
            dup
            ldc "Unsupported operation: "
            invokespecial java.lang.StringBuilder.<init>:(Ljava/lang/String;)V
            aload 0 /* this */
            getfield com.oracle.truffle.llvm.runtime.nodes.others.LLVMUnsupportedInstructionNode.message:Ljava/lang/String;
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            invokevirtual java.lang.StringBuilder.toString:()Ljava/lang/String;
            invokespecial com.oracle.truffle.llvm.runtime.LLVMUnsupportedException.<init>:(Lcom/oracle/truffle/api/nodes/Node;Lcom/oracle/truffle/llvm/runtime/LLVMUnsupportedException$UnsupportedReason;Ljava/lang/String;)V
            athrow
        end local 0 // com.oracle.truffle.llvm.runtime.nodes.others.LLVMUnsupportedInstructionNode this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    4     0  this  Lcom/oracle/truffle/llvm/runtime/nodes/others/LLVMUnsupportedInstructionNode;
    RuntimeVisibleAnnotations: 
      com.oracle.truffle.api.dsl.Specialization()
}
SourceFile: "LLVMUnsupportedInstructionNode.java"
NestMembers:
  com.oracle.truffle.llvm.runtime.nodes.others.LLVMUnsupportedInstructionNode$LLVMUnsupportedExpressionNode
InnerClasses:
  public final UnsupportedReason = com.oracle.truffle.llvm.runtime.LLVMUnsupportedException$UnsupportedReason of com.oracle.truffle.llvm.runtime.LLVMUnsupportedException
  public abstract LLVMUnsupportedExpressionNode = com.oracle.truffle.llvm.runtime.nodes.others.LLVMUnsupportedInstructionNode$LLVMUnsupportedExpressionNode of com.oracle.truffle.llvm.runtime.nodes.others.LLVMUnsupportedInstructionNode