Track representations of fields

src/code-stubs-hydrogen.cc

Index: src/code-stubs-hydrogen.cc
diff --git a/src/code-stubs-hydrogen.cc b/src/code-stubs-hydrogen.cc
index ee93a743379b5225aebd2d9ea6a480e5dec312d9..78c18ac7e12d4d5e46f8c20544ac289113467e82 100644
--- a/src/code-stubs-hydrogen.cc
+++ b/src/code-stubs-hydrogen.cc
@@ -367,11 +367,11 @@ HValue* CodeStubGraphBuilder<FastCloneShallowObjectStub>::BuildCodeStub() {
 
   for (int i = 0; i < size; i += kPointerSize) {
     HInstruction* value =
-        AddInstruction(new(zone) HLoadNamedField(boilerplate, true, i));
+        AddInstruction(new(zone) HLoadNamedField(boilerplate, true, TAGGED, i));
     AddInstruction(new(zone) HStoreNamedField(object,
                                               factory->empty_string(),
                                               value,
-                                              true, i));
+                                              true, TAGGED, i));
   }
 
   checker.ElseDeopt();
@@ -459,13 +459,14 @@ HValue* CodeStubGraphBuilder<TransitionElementsKindStub>::BuildCodeStub() {
 
   AddInstruction(new(zone) HStoreNamedField(js_array,
                                             factory->elements_field_string(),
-                                            new_elements, true,
+                                            new_elements, true, TAGGED,
                                             JSArray::kElementsOffset));
 
   if_builder.End();
 
   AddInstruction(new(zone) HStoreNamedField(js_array, factory->length_string(),
-                                            map, true, JSArray::kMapOffset));
+                                            map, true, TAGGED,
+                                            JSArray::kMapOffset));
   return js_array;
 }