limit InitialMaxFastElement by MaxRegularSpaceAllocationSize

src/objects.h

 // 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 2666 matching lines @@
   static const uint32_t kMaxGap = 1024;
 
   // Maximal length of fast elements array that won't be checked for
   // being dense enough on expansion.
   static const int kMaxUncheckedFastElementsLength = 5000;
 
   // Same as above but for old arrays. This limit is more strict. We
   // don't want to be wasteful with long lived objects.
   static const int kMaxUncheckedOldFastElementsLength = 500;
 
-  // TODO(2790): HAllocate currently always allocates fast backing stores
-  // in new space, where on x64 we can only fit ~98K elements. Keep this
-  // limit lower than that until HAllocate is made smarter.
-  static const int kInitialMaxFastElementArray = 95000;
+  static const int kInitialMaxFastElementArray = 100000;
 
   static const int kFastPropertiesSoftLimit = 12;
   static const int kMaxFastProperties = 64;
   static const int kMaxInstanceSize = 255 * kPointerSize;
   // When extending the backing storage for property values, we increase
   // its size by more than the 1 entry necessary, so sequentially adding fields
   // to the same object requires fewer allocations and copies.
   static const int kFieldsAdded = 3;
 
   // Layout description.
   static const int kPropertiesOffset = HeapObject::kHeaderSize;
   static const int kElementsOffset = kPropertiesOffset + kPointerSize;
   static const int kHeaderSize = kElementsOffset + kPointerSize;
 
   STATIC_CHECK(kHeaderSize == Internals::kJSObjectHeaderSize);
 
   class BodyDescriptor : public FlexibleBodyDescriptor<kPropertiesOffset> {
    public:
     static inline int SizeOf(Map* map, HeapObject* object);
   };
 
   // Enqueue change record for Object.observe. May cause GC.
   static void EnqueueChangeRecord(Handle<JSObject> object,
                                   const char* type,
                                   Handle<Name> name,
                                   Handle<Object> old_value);
 
   // Deliver change records to observers. May cause GC.
   static void DeliverChangeRecords(Isolate* isolate);
+  static int InitialMaxFastElementArray(Heap* heap);
 
  private:
   friend class DictionaryElementsAccessor;
   friend class JSReceiver;
 
   MUST_USE_RESULT MaybeObject* GetElementWithCallback(Object* receiver,
                                                       Object* structure,
                                                       uint32_t index,
                                                       Object* holder);
   MUST_USE_RESULT PropertyAttributes GetElementAttributeWithInterceptor(
@@ skipping 7503 matching lines @@
     } else {
       value &= ~(1 << bit_position);
     }
     return value;
   }
 };
 
 } }  // namespace v8::internal
 
 #endif  // V8_OBJECTS_H_