$size() now works with memories as well!

tests/simple/functions01.sv

@@ -2,13 +2,15 @@ module functions01;
 wire [3:0]x;
 wire [$size(x)-1:0]x_size;
 wire [$size({x, x})-1:0]xx_size;
-wire [3:0]w[0:5];
+wire [3:0]y[0:5];
+wire [$size(y)-1:0]y_size;
+wire [3:0]z[0:5][0:7];
+wire [$size(z)-1:0]z_size;
 
 //
 // The following are not supported yet:
 //
 
-//wire [$size(w)-1:0]w_s;
 //wire [$bits(x)-1:0]x_bits;
 //wire [$bits({x, x})-1:0]xx_bits;