Implement structural function and array types

src/stub-cache.cc

Index: src/stub-cache.cc
diff --git a/src/stub-cache.cc b/src/stub-cache.cc
index 4a200b9e3b6d72aec879042803800a57d5c577bc..04b4c1287d022c5d8925a7c78e7c9cde8eee2d5d 100644
--- a/src/stub-cache.cc
+++ b/src/stub-cache.cc
@@ -900,7 +900,7 @@ void LoadStubCompiler::NonexistentHandlerFrontend(Handle<HeapType> type,
   // check that the global property cell is empty.
   if (last_map->IsJSGlobalObjectMap()) {
     Handle<JSGlobalObject> global = last.is_null()
-        ? Handle<JSGlobalObject>::cast(type->AsConstant())
+        ? Handle<JSGlobalObject>::cast(type->AsConstant()->Value())
         : Handle<JSGlobalObject>::cast(last);
     GenerateCheckPropertyCell(masm(), global, name, scratch2(), &miss);
   }