bpls throws exception when dumping isosurface mesh data

Created by: keichi

$ bpls iso.bp
  int32_t  cell    24*{34988, 3}
  double   normal  24*{19466, 3}
  double   point   24*{19466, 3}
  int32_t  step    24*scalar
$ bpls -d iso.bp
  int32_t  cell    24*{34988, 3}

bpls caught an exception
ERROR: selection Start Dims(2):[0, 0] and Count Dims(2):[34988, 3] (requested) is out of bounds of (available) Shape Dims(2):[34208, 3] , when reading global array variable cell, in call to Get

iso.bp is generated by the isosurface app included in the gray-scott miniapp suite.