19 lines
289 B
Coq
19 lines
289 B
Coq
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// Regression test for GitHub issue 15 : Icarus does undef propagation of
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// const adds incorrectly
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module bug();
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wire [3:0] y;
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assign y = 4'bxx00 + 2'b00;
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initial begin
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#0 $display("%b", y);
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if (y === 4'bxxxx)
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$display("PASSED");
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else
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$display("FAILED");
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end
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endmodule
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