logic conversion notices procedural assignments in tasks and functions

test/basic/logic_tf.sv

@@ -0,0 +1,16 @@
+module top;
+    logic x, y, z;
+    task t;
+        x = 1;
+    endtask
+    function f;
+        y = 1;
+        f = 0;
+    endfunction
+    assign z = 0;
+    initial begin
+        t;
+        $display("%b %b %b %b", x, y, z, f());
+        $display("%b %b %b %b", x, y, z, f());
+    end
+endmodule

test/basic/logic_tf.v

@@ -0,0 +1,20 @@
+module top;
+    reg x, y;
+    wire z;
+    task t;
+        x = 1;
+    endtask
+    function f;
+        input x;
+        begin
+            y = 1;
+            f = 0;
+        end
+    endfunction
+    assign z = 0;
+    initial begin
+        t;
+        $display("%b %b %b %b", x, y, z, f(0));
+        $display("%b %b %b %b", x, y, z, f(0));
+    end
+endmodule