src/java.base/share/classes/java/lang/invoke/DirectMethodHandle.java

*** 656,666 ****
       * the same basicType and refKind.
       */
      private static LambdaForm preparedFieldLambdaForm(MemberName m) {
          Class<?> ftype = m.getFieldType();
          boolean isVolatile = m.isVolatile();
!         boolean isFlatValue = m.isFlatValue();
          boolean canBeNull = m.canBeNull();
          byte formOp;
          switch (m.getReferenceKind()) {
          case REF_getField:      formOp = AF_GETFIELD;    break;
          case REF_putField:      formOp = AF_PUTFIELD;    break;
--- 656,666 ----
       * the same basicType and refKind.
       */
      private static LambdaForm preparedFieldLambdaForm(MemberName m) {
          Class<?> ftype = m.getFieldType();
          boolean isVolatile = m.isVolatile();
!         boolean isFlatValue = m.isFlattened();
          boolean canBeNull = m.canBeNull();
          byte formOp;
          switch (m.getReferenceKind()) {
          case REF_getField:      formOp = AF_GETFIELD;    break;
          case REF_putField:      formOp = AF_PUTFIELD;    break;