Implement many KeyedStoreStubs using Crankshaft

src/type-info.cc

Index: src/type-info.cc
diff --git a/src/type-info.cc b/src/type-info.cc
index 6ac05547aac55a6091c33d531c4f07c26b2d5e72..f31edb7ed76a00f28fa49986abaf0b9c37eed11c 100644
--- a/src/type-info.cc
+++ b/src/type-info.cc
@@ -126,9 +126,9 @@ bool TypeFeedbackOracle::StoreIsMonomorphicNormal(TypeFeedbackId ast_id) {
   if (map_or_code->IsMap()) return true;
   if (map_or_code->IsCode()) {
     Handle<Code> code = Handle<Code>::cast(map_or_code);
-    bool standard_store =
-        Code::GetKeyedAccessStoreMode(code->extra_ic_state()) ==
-        STANDARD_STORE;
+    bool standard_store = FLAG_compiled_keyed_stores ||
+        (Code::GetKeyedAccessStoreMode(code->extra_ic_state()) ==
+         STANDARD_STORE);
     bool preliminary_checks =
         code->is_keyed_store_stub() &&
         standard_store &&
@@ -146,9 +146,9 @@ bool TypeFeedbackOracle::StoreIsPolymorphic(TypeFeedbackId ast_id) {
   Handle<Object> map_or_code = GetInfo(ast_id);
   if (map_or_code->IsCode()) {
     Handle<Code> code = Handle<Code>::cast(map_or_code);
-    bool standard_store =
-        Code::GetKeyedAccessStoreMode(code->extra_ic_state()) ==
-        STANDARD_STORE;
+    bool standard_store = FLAG_compiled_keyed_stores ||
+        (Code::GetKeyedAccessStoreMode(code->extra_ic_state()) ==
+         STANDARD_STORE);
     return code->is_keyed_store_stub() && standard_store  &&
         code->ic_state() == POLYMORPHIC;
   }