Hook-allocation on bleeding edge

src/heap.cc

Index: src/heap.cc
diff --git a/src/heap.cc b/src/heap.cc
index 623ec31e20fca8169ba724e5be33a5f736511a34..c83a622100d39b784d17a99516aeff1a06cbfdcf 100644
--- a/src/heap.cc
+++ b/src/heap.cc
@@ -2050,7 +2050,8 @@ class ScavengingVisitor : public StaticVisitorBase {
     if (logging_and_profiling_mode == LOGGING_AND_PROFILING_ENABLED) {
       // Update NewSpace stats if necessary.
       RecordCopiedObject(heap, target);
-      HEAP_PROFILE(heap, ObjectMoveEvent(source->address(), target->address()));
+      HEAP_PROFILE(heap,
+                   ObjectMoveEvent(source->address(), target->address(), size));
       Isolate* isolate = heap->isolate();
       if (isolate->logger()->is_logging_code_events() ||
           isolate->cpu_profiler()->is_profiling()) {
@@ -5026,6 +5027,12 @@ MaybeObject* Heap::CopyJSObjectWithAllocationSite(
   if (adjusted_object_size > object_size) {
     AllocationMemento* alloc_memento = reinterpret_cast<AllocationMemento*>(
         reinterpret_cast<Address>(clone) + object_size);
+
+    HeapProfiler* profiler = this->isolate()->heap_profiler();
+    profiler->RecordObjectAllocation(HeapObject::cast(clone)->address(),
+                                     object_size);
+    profiler->RecordObjectAllocation(alloc_memento->address(),
+                                     adjusted_object_size - object_size);
     alloc_memento->set_map_no_write_barrier(allocation_memento_map());
     alloc_memento->set_allocation_site(site, SKIP_WRITE_BARRIER);
   }