iverilog/ivtest/ivltests/module_nonansi_parray_fail.v

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// Check that it is an error to declare a non-ANSI module port with implicit
// packed dimensions if it is later redeclared as a packed array typed variable.
// Even if the size of the packed dimensions matches that of the size of the
// packed array.
typedef reg [7:0] T1;
typedef T1 [3:0] T2;
module test(x);
output [31:0] x;
T2 x;
initial begin
$display("FAILED");
end
endmodule