commit cb535da36915f9d10bec3880b46f1de1f7a69f22
author Mathieu Chartier <mathieuc@google.com> Fri Jan 23 13:50:03 2015 -0800
committer Mathieu Chartier <mathieuc@google.com> Sun Jan 25 13:18:11 2015 -0800
tree 5fc15c1fab170f0f27022ad19880c5ffb15baa01
parent 61e620d4771e09143471e38fe7531678a36ce3f8

Change AtomicStack to use StackReference

Previously used Object*, using StackReference saves memory on 64 bit
devices.

Bug: 12935052
Bug: 17643507
Change-Id: I035878690054eeeb24d655a900b8f26c837703ff

runtime/gc/collector/mark_compact.cc

diff --git a/runtime/gc/collector/mark_compact.cc b/runtime/gc/collector/mark_compact.cc
index 18af005..ff3c893 100644
--- a/runtime/gc/collector/mark_compact.cc
+++ b/runtime/gc/collector/mark_compact.cc
@@ -274,11 +274,11 @@
 }
 
 void MarkCompact::ResizeMarkStack(size_t new_size) {
-  std::vector<Object*> temp(mark_stack_->Begin(), mark_stack_->End());
+  std::vector<StackReference<Object>> temp(mark_stack_->Begin(), mark_stack_->End());
   CHECK_LE(mark_stack_->Size(), new_size);
   mark_stack_->Resize(new_size);
-  for (const auto& obj : temp) {
-    mark_stack_->PushBack(obj);
+  for (auto& obj : temp) {
+    mark_stack_->PushBack(obj.AsMirrorPtr());
   }
 }