New assertion failure

[John Darrington]

Running this code, after ".load /dev/zero" gives me:
poke/src/pvm-val.c:167: pvm_ref_struct: Assertion `PVM_IS_SCT (sct) && 
PVM_IS_STR (name)' failed.
Aborted


deftype fbs = struct
{
  int<8> bps;
};

deftype ffs = struct
{
  fbs bs;
  byte[bs.bps][2] reserved;
};

defvar x = (ffs @ NULL);