src/jdk.incubator.foreign/share/classes/jdk/internal/foreign/LayoutPath.java

*** 128,138 ****
  
          checkAlignment(this);
  
          return JLI.memoryAddressViewVarHandle(
                  carrier,
!                 layout.byteAlignment(),
                  ((ValueLayout) layout).order(),
                  Utils.bitsToBytesOrThrow(offset, IllegalStateException::new),
                  LongStream.of(scales).map(s -> Utils.bitsToBytesOrThrow(s, IllegalStateException::new)).toArray());
      }
  
--- 128,138 ----
  
          checkAlignment(this);
  
          return JLI.memoryAddressViewVarHandle(
                  carrier,
!                 layout.byteAlignment() - 1, //mask
                  ((ValueLayout) layout).order(),
                  Utils.bitsToBytesOrThrow(offset, IllegalStateException::new),
                  LongStream.of(scales).map(s -> Utils.bitsToBytesOrThrow(s, IllegalStateException::new)).toArray());
      }