yosys/tests/verilog/absurd_width_const.ys

logger -expect error "Expression width 1073741824 exceeds implementation limit of 16777216!" 1
read_verilog <<EOF
module top(
    output out
);
    assign out =
        {1024 {
        {1024 {
        {1024 {
        1'b1
        }}
        }}
        }}
        ;
endmodule
EOF