[ic] Support non-code handlers in megamorphic stub cache.

test/cctest/test-code-stub-assembler.cc

Index: test/cctest/test-code-stub-assembler.cc
diff --git a/test/cctest/test-code-stub-assembler.cc b/test/cctest/test-code-stub-assembler.cc
index 80bc83071df1a578b096cc7b30c3416153703e72..0d0b5c5c498eb0478178d0c509c66eef91fd3b72 100644
--- a/test/cctest/test-code-stub-assembler.cc
+++ b/test/cctest/test-code-stub-assembler.cc
@@ -1346,14 +1346,14 @@ TEST(TryProbeStubCache) {
     int index = rand_gen.NextInt();
     Handle<Name> name = names[index % names.size()];
     Handle<JSObject> receiver = receivers[index % receivers.size()];
-    Code* handler = stub_cache.Get(*name, receiver->map());
+    Object* handler = stub_cache.Get(*name, receiver->map());
     if (handler == nullptr) {
       queried_non_existing = true;
     } else {
       queried_existing = true;
     }
 
-    Handle<Code> expected_handler(handler, isolate);
+    Handle<Object> expected_handler(handler, isolate);
     ft.CheckTrue(receiver, name, expected_handler);
   }
 
@@ -1362,14 +1362,14 @@ TEST(TryProbeStubCache) {
     int index2 = rand_gen.NextInt();
     Handle<Name> name = names[index1 % names.size()];
     Handle<JSObject> receiver = receivers[index2 % receivers.size()];
-    Code* handler = stub_cache.Get(*name, receiver->map());
+    Object* handler = stub_cache.Get(*name, receiver->map());
     if (handler == nullptr) {
       queried_non_existing = true;
     } else {
       queried_existing = true;
     }
 
-    Handle<Code> expected_handler(handler, isolate);
+    Handle<Object> expected_handler(handler, isolate);
     ft.CheckTrue(receiver, name, expected_handler);
   }
   // Ensure we performed both kind of queries.