# Pastebin kyQYHpCt
localparam SEL_REG_B_IR_B = 1'b0;
localparam SEL_REG_B_IR_C = 1'b1;

// Does Not Work
logic [2:0]de_regs_bsel = (de_sel_reg_b == SEL_REG_B_IR_C) ? de_ir_sel_c : de_ir_sel_b;

// Does Work
wire [2:0]de_regs_bsel = (de_sel_reg_b == SEL_REG_B_IR_C) ? de_ir_sel_c : de_ir_sel_b;

// Does Not Work
reg [2:0]de_regs_bsel = (de_sel_reg_b == SEL_REG_B_IR_C) ? de_ir_sel_c : de_ir_sel_b;

// Does Work
logic [2:0]de_regs_bsel;
assign de_regs_bsel = (de_sel_reg_b == SEL_REG_B_IR_C) ? de_ir_sel_c : de_ir_sel_b;

// Does Work
logic [2:0]de_regs_bsel;
always_comb begin
	case (de_sel_reg_b)
	SEL_REG_B_IR_B: de_regs_bsel = de_ir_sel_b;
	SEL_REG_B_IR_C: de_regs_bsel = de_ir_sel_c;
	endcase
end