`define DUMP(id) #1 $display(`"id: %b`", arr[0]);
module top;
parameter A = 5;
reg [0:0][A-1:0] arr;
initial arr = 1'sb1;
initial `DUMP(0)
if (1) begin : blk
localparam A = 10;
initial `DUMP(1)
end
initial begin
`DUMP(2)
endmodule