Disable speculative LICM when it may lead to unnecessary deopts

src/heap.cc

 // Copyright 2012 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 2120 matching lines @@
   accessors->set_setter(the_hole_value(), SKIP_WRITE_BARRIER);
   return accessors;
 }
 
 
 MaybeObject* Heap::AllocateTypeFeedbackInfo() {
   TypeFeedbackInfo* info;
   { MaybeObject* maybe_info = AllocateStruct(TYPE_FEEDBACK_INFO_TYPE);
     if (!maybe_info->To(&info)) return maybe_info;
   }
-  info->set_ic_total_count(0);
-  info->set_ic_with_type_info_count(0);
+  info->initialize_storage();
   info->set_type_feedback_cells(TypeFeedbackCells::cast(empty_fixed_array()),
                                 SKIP_WRITE_BARRIER);
   return info;
 }
 
 
 MaybeObject* Heap::AllocateAliasedArgumentsEntry(int aliased_context_slot) {
   AliasedArgumentsEntry* entry;
   { MaybeObject* maybe_entry = AllocateStruct(ALIASED_ARGUMENTS_ENTRY_TYPE);
     if (!maybe_entry->To(&entry)) return maybe_entry;
@@ skipping 5110 matching lines @@
       static_cast<int>(object_sizes_last_time_[index]));
   FIXED_ARRAY_SUB_INSTANCE_TYPE_LIST(ADJUST_LAST_TIME_OBJECT_COUNT)
 #undef ADJUST_LAST_TIME_OBJECT_COUNT
 
   memcpy(object_counts_last_time_, object_counts_, sizeof(object_counts_));
   memcpy(object_sizes_last_time_, object_sizes_, sizeof(object_sizes_));
   ClearObjectStats();
 }
 
 } }  // namespace v8::internal