Hook-allocation on bleeding edge

src/objects.cc

Index: src/objects.cc
diff --git a/src/objects.cc b/src/objects.cc
index 38d8647b525c8cb56549af9758848ed887c194dc..752745b47348feebdc30bc751e6e79be9dfcf4c7 100644
--- a/src/objects.cc
+++ b/src/objects.cc
@@ -2298,6 +2298,11 @@ static void RightTrimFixedArray(Heap* heap, FixedArray* elms, int to_trim) {
       MemoryChunk::IncrementLiveBytesFromMutator(elms->address(), -size_delta);
     }
   }
+
+  // This repeating record is necessary because the array may not be moved
+  // during GC, and size has to be adjusted nevetheless.
+  heap->isolate()->heap_profiler()->RecordObjectAllocation(
+    elms->address(), elms->Size());
 }