Revision: 20063
Author: [email protected]
Date: Wed Mar 19 11:37:56 2014 UTC
Log: Account for right object size when left trimming arrays.
BUG=
[email protected]
Review URL: https://codereview.chromium.org/203833005
http://code.google.com/p/v8/source/detail?r=20063
Modified:
/branches/bleeding_edge/src/builtins.cc
=======================================
--- /branches/bleeding_edge/src/builtins.cc Wed Mar 19 11:31:43 2014 UTC
+++ /branches/bleeding_edge/src/builtins.cc Wed Mar 19 11:37:56 2014 UTC
@@ -268,11 +268,12 @@
// Maintain marking consistency for HeapObjectIterator and
// IncrementalMarking.
int size_delta = to_trim * entry_size;
- heap->marking()->TransferMark(elms->address(), elms->address() +
size_delta);
- heap->AdjustLiveBytes(elms->address(), -size_delta, Heap::FROM_MUTATOR);
+ Address new_start = elms->address() + size_delta;
+ heap->marking()->TransferMark(elms->address(), new_start);
+ heap->AdjustLiveBytes(new_start, -size_delta, Heap::FROM_MUTATOR);
- FixedArrayBase* new_elms = FixedArrayBase::cast(HeapObject::FromAddress(
- elms->address() + size_delta));
+ FixedArrayBase* new_elms =
+ FixedArrayBase::cast(HeapObject::FromAddress(new_start));
HeapProfiler* profiler = heap->isolate()->heap_profiler();
if (profiler->is_tracking_object_moves()) {
profiler->ObjectMoveEvent(elms->address(),
--
--
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