RTL and Data value refactoring and defered values

Src/AST/Myc.Ast.Binding.pas

@@ -390,8 +390,11 @@ end;
 procedure TScopeDescriptor.PopulateFromScope(Scope: TExecutionScope);
 begin
     for var pair in Scope.NameToIndex do
-        if not FSymbols.ContainsKey(pair.Key) then
-            FSymbols.Add(pair.Key, pair.Value);
+    begin
+        var name := Scope.NameStrings[pair.Key];
+        if not FSymbols.ContainsKey(name) then
+            FSymbols.Add(name, pair.Value);
+    end;
 end;
 
 constructor TAstBinder.TUpvalueMapping.Create;