(gdb) p &opt_depth_up_bd_mask $11 = (PTR TO -> ( logical(kind=4) (*,*))) 0x2926ee0 (gdb) p &opt_depth_up_bd_mask(2,1) $12 = (PTR TO -> ( logical(kind=4) )) 0x2926ee4 (gdb) p &opt_depth_up_bd_mask(1,2) $15 = (PTR TO -> ( logical(kind=4) )) 0x2926ee4 opt_depth_up_bd_mask(2,1) and opt_depth_up_bd_mask(1,2) refer to the same location?? -Mathew