Fix StoreIsUninitialized, and add Soft Deopt if keyed store is uninitialized.

src/type-info.cc

Index: src/type-info.cc
diff --git a/src/type-info.cc b/src/type-info.cc
index b256bb406e4de7f8c40931b856d4b5ec46919bb1..6db810e6ea258d7c4bcc6d378d33d3c53e461e9c 100644
--- a/src/type-info.cc
+++ b/src/type-info.cc
@@ -141,7 +141,7 @@ bool TypeFeedbackOracle::LoadIsPolymorphic(Property* expr) {
 bool TypeFeedbackOracle::StoreIsUninitialized(TypeFeedbackId ast_id) {
   Handle<Object> map_or_code = GetInfo(ast_id);
   if (map_or_code->IsMap()) return false;
-  if (!map_or_code->IsCode()) return true;
+  if (!map_or_code->IsCode()) return false;
   Handle<Code> code = Handle<Code>::cast(map_or_code);
   return code->ic_state() == UNINITIALIZED;
 }