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-rw-r--r--runtime/gc_root.h3
1 files changed, 2 insertions, 1 deletions
diff --git a/runtime/gc_root.h b/runtime/gc_root.h
index 86a8847..b10a55c 100644
--- a/runtime/gc_root.h
+++ b/runtime/gc_root.h
@@ -17,13 +17,14 @@
#ifndef ART_RUNTIME_GC_ROOT_H_
#define ART_RUNTIME_GC_ROOT_H_
+#include "base/macros.h"
#include "base/mutex.h" // For Locks::mutator_lock_.
#include "object_callbacks.h"
namespace art {
template<class MirrorType>
-class GcRoot {
+class PACKED(4) GcRoot {
public:
template<ReadBarrierOption kReadBarrierOption = kWithReadBarrier>
ALWAYS_INLINE MirrorType* Read() SHARED_LOCKS_REQUIRED(Locks::mutator_lock_);