gcc/testsuite/algol68/execute/rowing-10.a68

# { dg-options "-fstropping=upper" }  #
BEGIN INT i := 10;
      REF[,]INT a = i;
      ASSERT (1 LWB a = 1 AND 1 UPB a = 1 AND 1 ELEMS a = 1);
      ASSERT (2 LWB a = 1 AND 2 UPB a = 1 AND 2 ELEMS a = 1);
      a[1,1] := a[1,1] + 1;
      ASSERT (a[1,1] = 11)
END