module evil_mdl (
output reg [evil_pkg_B-1:0] foo
);
localparam evil_pkg_Z = 1;
localparam evil_pkg_A = evil_pkg_Z;
localparam evil_pkg_B = evil_pkg_Z;
initial foo = evil_pkg_A;
endmodule
module top;
wire [evil_pkg_B-1:0] foo;
evil_mdl x(foo);
initial $monitor(foo);