src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.lir/src/org/graalvm/compiler/lir/StandardOp.java

*** 68,81 ****
  
      public interface ImplicitNullCheck {
          boolean makeNullCheckFor(Value value, LIRFrameState nullCheckState, int implicitNullCheckLimit);
      }
  
      /**
       * LIR operation that defines the position of a label.
       */
!     public static final class LabelOp extends LIRInstruction {
          public static final LIRInstructionClass<LabelOp> TYPE = LIRInstructionClass.create(LabelOp.class);
          public static final EnumSet<OperandFlag> incomingFlags = EnumSet.of(REG, STACK);
  
          /**
           * In the LIR, every register and variable must be defined before it is used. For method
--- 68,85 ----
  
      public interface ImplicitNullCheck {
          boolean makeNullCheckFor(Value value, LIRFrameState nullCheckState, int implicitNullCheckLimit);
      }
  
+     public interface LabelHoldingOp {
+         Label getLabel();
+     }
+ 
      /**
       * LIR operation that defines the position of a label.
       */
!     public static final class LabelOp extends LIRInstruction implements LabelHoldingOp {
          public static final LIRInstructionClass<LabelOp> TYPE = LIRInstructionClass.create(LabelOp.class);
          public static final EnumSet<OperandFlag> incomingFlags = EnumSet.of(REG, STACK);
  
          /**
           * In the LIR, every register and variable must be defined before it is used. For method
*** 153,162 ****
--- 157,167 ----
                  crb.asm.align(crb.target.wordSize * 2);
              }
              crb.asm.bind(label);
          }
  
+         @Override
          public Label getLabel() {
              return label;
          }
  
          /**