| Index: src/heap/spaces.h | 
| diff --git a/src/heap/spaces.h b/src/heap/spaces.h | 
| index 9ecb3c432eb0ac279eeb819e55a80d6d7180a553..1a8944995d32d419213214de5ce977c326a6205f 100644 | 
| --- a/src/heap/spaces.h | 
| +++ b/src/heap/spaces.h | 
| @@ -2728,6 +2728,8 @@ class LargeObjectSpace : public Space { | 
| MUST_USE_RESULT AllocationResult | 
| AllocateRaw(int object_size, Executability executable); | 
|  | 
| +  bool CanAllocateSize(int size) { return Size() + size <= max_capacity_; } | 
| + | 
| // Available bytes for objects in this space. | 
| inline intptr_t Available(); | 
|  | 
|  |