Added yet another resource sharing test case

tests/sat/share.v

@@ -0,0 +1,32 @@
+module test_1(
+	input [7:0] a, b, c,
+	input s, x,
+	output [7:0] y1, y2
+);
+	wire [7:0] t1, t2;
+	assign t1 = s ? a*b : 0, t2 = !s ? b*c : 0;
+	assign y1 = x ? t2 : t1, y2 = x ? t1 : t2;
+endmodule
+
+
+module test_2(
+	input s,
+	input [7:0] a, b, c,
+	output reg [7:0] y
+);
+	always @* begin
+		y <= 'bx;
+		if (s) begin
+			if (a * b > 8)
+				y <= b / c;
+			else
+				y <= c / b;
+		end else begin
+			if (b * c > 8)
+				y <= a / b;
+			else
+				y <= b / a;
+		end
+	end
+endmodule
+