don't process global items when looking up identifiers in packages

src/Convert/Package.hs

@@ -264,9 +264,11 @@ processItems topName packageName moduleItems = do
             details <- lookupElemM x
             case details of
                 Nothing ->
-                    if null topName
-                        then return x
-                        else resolveGlobalIdent x
+                    -- only missing identifiers within parts should be looked up
+                    -- in the global scope
+                    if null packageName && not (null topName)
+                        then resolveGlobalIdent x
+                        else return x
                 Just ([_, _], _, Declared) ->
                     if null packageName
                         then return x

test/core/package_ident.sv

@@ -0,0 +1,17 @@
+package P;
+    typedef struct packed {
+        integer U;
+    } T;
+    function automatic integer F;
+        input integer inp;
+        return $clog2(inp);
+    endfunction
+    localparam X = F(100);
+    localparam T Y = '{ U: X + 1 };
+    localparam Z = Y.U + 1;
+endpackage
+import P::*;
+localparam V = Y + 1;
+module top;
+    initial $display("%0d %0d", V, X);
+endmodule

test/core/package_ident.v

@@ -0,0 +1,7 @@
+module top;
+    localparam X = $clog2(100);
+    localparam Y = X + 1;
+    localparam Z = Y + 1;
+    localparam V = Y + 1;
+    initial $display("%0d %0d", V, X);
+endmodule