Add support for dictionary elements to polymorphic crankshaft code.

src/stub-cache.cc

 // Copyright 2011 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 1676 matching lines @@
 
 
 MaybeObject* KeyedLoadStubCompiler::ComputeSharedKeyedLoadElementStub(
     Map* receiver_map) {
   MaybeObject* maybe_stub = NULL;
   if (receiver_map->has_fast_elements()) {
     maybe_stub = KeyedLoadFastElementStub().TryGetCode();
   } else if (receiver_map->has_external_array_elements()) {
     JSObject::ElementsKind elements_kind = receiver_map->elements_kind();
     maybe_stub = KeyedLoadExternalArrayStub(elements_kind).TryGetCode();
+  } else if (receiver_map->has_dictionary_elements()) {
+    maybe_stub = isolate()->builtins()->builtin(Builtins::kKeyedLoadIC_Slow);
   } else {
     UNREACHABLE();
   }
   return maybe_stub;
 }
 
 
 MaybeObject* StoreStubCompiler::GetCode(PropertyType type, String* name) {
   Code::Flags flags = Code::ComputeMonomorphicFlags(
       Code::STORE_IC, type, strict_mode_);
@@ skipping 32 matching lines @@
 
 MaybeObject* KeyedStoreStubCompiler::ComputeSharedKeyedStoreElementStub(
     Map* receiver_map) {
   MaybeObject* maybe_stub = NULL;
   if (receiver_map->has_fast_elements()) {
     bool is_js_array = receiver_map->instance_type() == JS_ARRAY_TYPE;
     maybe_stub = KeyedStoreFastElementStub(is_js_array).TryGetCode();
   } else if (receiver_map->has_external_array_elements()) {
     JSObject::ElementsKind elements_kind = receiver_map->elements_kind();
     maybe_stub = KeyedStoreExternalArrayStub(elements_kind).TryGetCode();
+  } else if (receiver_map->has_dictionary_elements()) {
+    maybe_stub = isolate()->builtins()->builtin(Builtins::kKeyedStoreIC_Slow);
   } else {
     UNREACHABLE();
   }
   return maybe_stub;
 }
 
 
 CallStubCompiler::CallStubCompiler(int argc,
                                    InLoopFlag in_loop,
                                    Code::Kind kind,
@@ skipping 151 matching lines @@
       expected_receiver_type_ =
           FunctionTemplateInfo::cast(signature->receiver());
     }
   }
 
   is_simple_api_call_ = true;
 }
 
 
 } }  // namespace v8::internal