src/jdk.incubator.vector/share/classes/jdk/incubator/vector/Long64Vector.java

rev 55589 : 8221816: [vector] IndexOutOfBoundsException for fromArray/intoArray with unset mask lanes
Reviewed-by: duke

*** 875,912 ****
  
      @Override
      @ForceInline
      public void intoArray(long[] a, int ix) {
          Objects.requireNonNull(a);
!         ix = VectorIntrinsics.checkIndex(ix, a.length, LENGTH);
!         VectorIntrinsics.store(Long64Vector.class, long.class, LENGTH,
!                                a, (((long) ix) << ARRAY_SHIFT) + Unsafe.ARRAY_LONG_BASE_OFFSET,
!                                this,
!                                a, ix,
!                                (arr, idx, v) -> v.forEach((i, e) -> arr[idx + i] = e));
      }
  
      @Override
      @ForceInline
      public final void intoArray(long[] a, int ax, Mask<Long> m) {
!         LongVector oldVal = LongVector.fromArray(SPECIES, a, ax);
!         LongVector newVal = oldVal.blend(this, m);
!         newVal.intoArray(a, ax);
      }
      @Override
      @ForceInline
      public void intoArray(long[] a, int ix, int[] b, int iy) {
          this.intoArray(a, ix + b[iy]);
      }
  
       @Override
       @ForceInline
       public final void intoArray(long[] a, int ax, Mask<Long> m, int[] b, int iy) {
!          // @@@ This can result in out of bounds errors for unset mask lanes
!          LongVector oldVal = LongVector.fromArray(SPECIES, a, ax, b, iy);
!          LongVector newVal = oldVal.blend(this, m);
!          newVal.intoArray(a, ax, b, iy);
       }
  
      @Override
      @ForceInline
      public void intoByteArray(byte[] a, int ix) {
--- 875,906 ----
  
      @Override
      @ForceInline
      public void intoArray(long[] a, int ix) {
          Objects.requireNonNull(a);
!         forEach((i, e) -> a[ix + i] = e);
      }
  
      @Override
      @ForceInline
      public final void intoArray(long[] a, int ax, Mask<Long> m) {
!         Objects.requireNonNull(a);
!         forEach(m, (i, e) -> a[ax + i] = e);
      }
+ 
      @Override
      @ForceInline
      public void intoArray(long[] a, int ix, int[] b, int iy) {
          this.intoArray(a, ix + b[iy]);
      }
  
      @Override
      @ForceInline
      public final void intoArray(long[] a, int ax, Mask<Long> m, int[] b, int iy) {
!         Objects.requireNonNull(a);
!         Objects.requireNonNull(b);
!         forEach(m, (i, e) -> a[ax + b[iy+i]] = e);
      }
  
      @Override
      @ForceInline
      public void intoByteArray(byte[] a, int ix) {