WLSTRIDE_ISMODIFIED error

when compiling

noinline
double[4,4,4] coarse2fine (double[2,2,2] z)
{
  foo = with {
          ([1, 1, 1] <= iv < [4,4,4] step [2, 2, 2] ) : _sel_VxA_(_div_VxS_(_sub_VxS_(iv, 1),  2),z);
        } : genarray ([4,4,4], 0d);
  return foo;
}

noinline
double[2,2,2] fine2coarse(double[4,4,4] r)
{
  bar =  with {
           ([0,0,0] <= iv < [2,2,2]) : _sel_VxA_(_mul_SxV_(2,iv),r);
         } : genarray ([2,2,2], 0d);
  return bar;
}

int main()
{

  u = with {} : genarray([4,4,4], 0d);

  rs = fine2coarse (u);
  u = coarse2fine (rs);

  return _toi_S_(_sel_VxA_([0,0,0], u));
}

with

-sbs-SvenBodosAir2-> sac2c-d -V
sac2c 1.3.3-MijasCosta-1079-g648dba
build-type: DEBUG
built-by: "sbs" at 2023-09-13T11:13:47

I get

-sbs-Sven-Bodos-MacBook-Air-2-> sac2c-d bug.sac
**  1: Loading SAC program ...
**  2: Preprocessing SAC program ...
**  3: Running module system ...
**  4: Simplifying source code ...
**  5: Converting to static single assignment form ...
**  6: Running type inference system ...
**  7: Processing exports ...
**  8: Preparing for code optimization ...
**  9: Enhancing with-loops ...
** 10: Running SAC optimizations ...
** 11: Automatic parallelisation for GPUs skipped.
** 12: Transforming with-loop representation ...
Internal compiler error
Assertion "!WLSTRIDE_ISMODIFIED (stride1)" failed at /Volumes/Users/sbs/sac2c/src/libsac2c/wltransform/wltransform.c:3654 -- stride was modified
Please file a bug at: https://gitlab.sac-home.org/sac-group/sac2c/-/issues