SVIncCompil/Testcases/YosysTests/regression/issue_00173/top.v - third_party/Surelog - Git at Google

 module top
 (
    input ai, bi, ci,
    output reg ao, bo, co
 );
    always@*
    begin
       ao=ai;
       bo=bi;
       co=ci;
       {co,co,bo,ao} = {ai,bi,ai,ci}; // Error: multiple assignment to 'co' with blocking assignment
    end

 endmodule
	module top
	(
	input ai, bi, ci,
	output reg ao, bo, co
	);
	always@*
	begin
	ao=ai;
	bo=bi;
	co=ci;
	{co,co,bo,ao} = {ai,bi,ai,ci}; // Error: multiple assignment to 'co' with blocking assignment
	end

	endmodule